Free illustrated chapter books for ages 9-14. New books + characters as they ship. https://spark-and-anvil.com/feed.xml 2026-07-10T04:40:03.414Z Spark & Anvilhello@spark-and-anvil.com CC BY-NC-SA 4.0 https://cdn.spark-and-anvil.com/standard/aiforge-book.pdf 2026-07-10T04:40:02.174Z Spark & Anvil

Learn how AI really works by building your own classifiers, training models, detecting bias, and navigating the ethics of a world run by algorithms — with an AI mentor that teaches you about itself.

<p><strong>AiForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/aiforge/standard.webp" alt="AiForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/aiforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/aiforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/alcumusforge-book.pdf 2026-07-10T04:40:02.174Z Spark & Anvil

Portfolio-wide adaptive mastery practice for the math and STEM cluster. Three-option Next Problem surface (Extend, Consolidate, Stretch) with visible rationale. FSRS-6 spaced retention. Competition-problem ingest. Ages 11-14.

<p><strong>AlcumusForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/alcumusforge/standard.webp" alt="AlcumusForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/alcumusforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/alcumusforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/beatforge-book.pdf 2026-07-10T04:40:02.190Z Spark & Anvil

Music creation sandbox inside an RPG world where kids ages 10-14 build compositions using visual "sound blocks" that snap together on a sequencer canvas. The game world dynamically transforms based on the music created, and blocks gradually reveal standard notation as mastery increases via a peel-back mechanic.

<p><strong>BeatForge</strong> — illustrated chapter book featuring 11 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/beatforge/standard.webp" alt="BeatForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/beatforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/beatforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/bioforge-book.pdf 2026-07-10T04:40:02.206Z Spark & Anvil

Players learn anatomy and biomechanics through the lens of sports -- understanding how muscles generate force, how joints create leverage, how the cardiovascular system fuels performance, and how training improves the body. Each sport unlocks new body systems and biomechanical principles. The only sports-science-meets-anatomy app on any platform.

<p><strong>BioForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/bioforge/standard.webp" alt="BioForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/bioforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/bioforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/bridgeforge-book.pdf 2026-07-10T04:40:02.222Z Spark & Anvil

Project-based learning simulation with multi-week real-world challenges integrating math, science, social studies, and ELA. First student-facing PBL app following the Gold Standard PBL cycle (PBLWorks/Buck Institute). Students solve authentic real-world problems that require competency across multiple subjects, building visible bridges on a subject connection map.

<p><strong>BridgeForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/bridgeforge/standard.webp" alt="BridgeForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/bridgeforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/bridgeforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/cardforge-book.pdf 2026-07-10T04:40:02.234Z Spark & Anvil

Learn card games from basics to mastery, then amaze friends with step-by-step magic trick tutorials — a complete card skills academy with AI coaching for ages 9-14. The only app that combines interactive card game teaching with magic trick instruction for children.

<p><strong>CardForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/cardforge/standard.webp" alt="CardForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/cardforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/cardforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/chanceforge-book.pdf 2026-07-10T04:40:02.238Z Spark & Anvil

Run a virtual casino, investigate insurance company math, predict sports outcomes, and solve medical diagnosis puzzles — mastering probability and statistics through real-world contexts where the math determines who wins and who loses.

<p><strong>ChanceForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/chanceforge/standard.webp" alt="ChanceForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/chanceforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/chanceforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/characterforge-book.pdf 2026-07-10T04:40:02.250Z Spark & Anvil

Character-Craft Workshop for Tweens — build the people who could be in stories. Character sheet, arc tracker, relationship graph, voice-consistency feedback (Ink).

<p><strong>CharacterForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/characterforge/standard.webp" alt="CharacterForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/characterforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/characterforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/chemquest-book.pdf 2026-07-10T04:40:02.270Z Spark & Anvil

Mix, react, and discover — a virtual chemistry lab where every reaction is an adventure and the periodic table is your map.

<p><strong>ChemQuest</strong> — illustrated chapter book featuring 16 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/chemquest/standard.webp" alt="ChemQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/chemquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/chemquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/cipherforge-book.pdf 2026-07-10T04:40:02.302Z Spark & Anvil

Run a spy agency, learning cryptography from Caesar ciphers to RSA basics through narrative-driven missions — crack codes, build ciphers, compete in code-breaking duels, and escape timed puzzle rooms.

<p><strong>CipherForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/cipherforge/standard.webp" alt="CipherForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/cipherforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/cipherforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/circuitforge-book.pdf 2026-07-10T04:40:02.322Z Spark & Anvil

Build circuits on a virtual breadboard, watch electricity flow, code virtual robots, and learn the engineering behind every electronic device you use.

<p><strong>CircuitForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/circuitforge/standard.webp" alt="CircuitForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/circuitforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/circuitforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/cityforge-book.pdf 2026-07-10T04:40:02.346Z Spark & Anvil

Players design buildings and plan cities that must satisfy structural physics, environmental constraints, and citizen needs. Start with single buildings (understanding loads, materials, foundations), progress to neighborhoods and full cities with infrastructure, zoning, and sustainability challenges. The only STEM-focused architecture and urban planning app on iOS for ages 9-14.

<p><strong>CityForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/cityforge/standard.webp" alt="CityForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/cityforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/cityforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/civicforge-book.pdf 2026-07-10T04:40:02.374Z Spark & Anvil

Players are newly elected to their town's Youth Council, making real decisions about budgets, zoning, public services, and community issues. Every vote has consequences — build parks or fix potholes, fund the library or hire firefighters. Where iCivics teaches federal government through web-based quizzes, CivicForge teaches local government through iPhone-native simulation.

<p><strong>CivicForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/civicforge/standard.webp" alt="CivicForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/civicforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/civicforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/claimcraft-book.pdf 2026-07-10T04:40:02.394Z Spark & Anvil

Visual argument mapping game where players build claim-evidence-reasoning chains and compete in debate duels. Logical fallacies are attack moves to identify and counter. AI generates counterarguments and evaluates argument quality.

<p><strong>ClaimCraft</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/claimcraft/standard.webp" alt="ClaimCraft cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/claimcraft-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/claimcraft-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/climatequest-book.pdf 2026-07-10T04:40:02.414Z Spark & Anvil

Navigate a living Earth system where greenhouse gases, ocean currents, ice sheets, and ecosystems interconnect — make policy decisions and observe centuries of consequences through interactive climate models. Ages 9-14.

<p><strong>ClimateQuest</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/climatequest/standard.webp" alt="ClimateQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/climatequest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/climatequest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/coderealm-book.pdf 2026-07-10T04:40:02.430Z Spark & Anvil

Kids ages 10-14 program a companion robot using visual blocks that gradually "peel back" to reveal real Swift code as mastery increases. The block editor drives a SpriteKit game world where the robot navigates levels, solves puzzles, and defeats enemies through player-authored programs.

<p><strong>CodeRealm</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/coderealm/standard.webp" alt="CodeRealm cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/coderealm-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/coderealm-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/cosmosforge-book.pdf 2026-07-10T04:40:02.446Z Spark & Anvil

Travel 13.8 billion years back to the Big Bang, watch the first stars ignite, witness galaxies collide, peer inside black holes, and hunt for exoplanets — an astrophysics odyssey through scales of space and time that dwarf human imagination.

<p><strong>CosmosForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/cosmosforge/standard.webp" alt="CosmosForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/cosmosforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/cosmosforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/creaturecare-book.pdf 2026-07-10T04:40:02.634Z Spark & Anvil

Players run an animal hospital, diagnosing and treating animals using real veterinary techniques

<p><strong>CreatureCare</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/creaturecare/standard.webp" alt="CreatureCare cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/creaturecare-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/creaturecare-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/cubesensei-book.pdf 2026-07-10T04:40:02.646Z Spark & Anvil

Learn the Rubik's Cube with a patient mentor and bite-sized practice.

<p><strong>CubeSensei</strong> — illustrated chapter book featuring 6 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/cubesensei/standard.webp" alt="CubeSensei cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/cubesensei-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/cubesensei-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/curiosityquest-book.pdf 2026-07-10T04:40:02.658Z Spark & Anvil

A daily-question adventure that builds curiosity into habit.

<p><strong>CuriosityQuest</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/curiosityquest/standard.webp" alt="CuriosityQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/curiosityquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/curiosityquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/dancequest-book.pdf 2026-07-10T04:40:02.674Z Spark & Anvil

Dance as creative art: explore genres, compose choreography, analyze performances, and get camera-based movement feedback -- building artistic expression through dance composition and performance.

<p><strong>DanceQuest</strong> — illustrated chapter book featuring 11 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/dancequest/standard.webp" alt="DanceQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/dancequest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/dancequest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/depthquest-book.pdf 2026-07-10T04:40:02.714Z Spark & Anvil

Players pilot a research submarine through ocean zones (sunlight, twilight, midnight, abyssal, hadal), discovering marine species, studying coral reef health, mapping the ocean floor, and answering marine science challenges. The only gamified ocean exploration RPG on iOS for ages 9-14.

<p><strong>DepthQuest</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/depthquest/standard.webp" alt="DepthQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/depthquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/depthquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/dialoguequest-book.pdf 2026-07-10T04:40:02.730Z Spark & Anvil

Branching-Dialogue Craft for Tweens — voice consistency, subtext, tag balance, branch meaningfulness. Build dialogue trees where every line reveals character, advances plot, and leaves room (Patter).

<p><strong>DialogueQuest</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/dialoguequest/standard.webp" alt="DialogueQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/dialoguequest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/dialoguequest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/discretequest-book.pdf 2026-07-10T04:40:02.746Z Spark & Anvil

Exploration game teaching graph theory, combinatorics, and number theory through real-world mysteries. Includes AMC 8/MATHCOUNTS competition timer mode. First gamified discrete math app for ages 9-14.

<p><strong>DiscreteQuest</strong> — illustrated chapter book featuring 11 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/discretequest/standard.webp" alt="DiscreteQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/discretequest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/discretequest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/ecosphere-book.pdf 2026-07-10T04:40:02.758Z Spark & Anvil

Interactive climate and earth systems simulator where players manage interconnected ecosystems across geological time scales. Balance atmosphere, hydrosphere, geosphere, and biosphere while answering questions that unlock simulation controls. Every decision cascades through Earth's systems — pump CO2 and watch ice caps shrink, plant forests and track carbon sequestration in real time.

<p><strong>EcoSphere</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/ecosphere/standard.webp" alt="EcoSphere cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/ecosphere-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/ecosphere-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/effectsforge-book.pdf 2026-07-10T04:40:02.774Z Spark & Anvil

Learn the science and art behind movie special effects — prosthetics chemistry, Foley sound physics, forced perspective optics, stop-motion animation, and lighting design — then produce your own short films.

<p><strong>EffectsForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/effectsforge/standard.webp" alt="EffectsForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/effectsforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/effectsforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/equationquest-book.pdf 2026-07-10T04:40:02.798Z Spark & Anvil

Visual balance-scale approach to the entire CCSS EE domain

<p><strong>EquationQuest</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/equationquest/standard.webp" alt="EquationQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/equationquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/equationquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/ethosforge-book.pdf 2026-07-10T04:40:02.826Z Spark & Anvil

Navigate ethical dilemmas across science, technology, history, and daily life with an AI Socratic tutor. Build ethical reasoning through structured debate, perspective-taking, and case analysis.

<p><strong>EthosForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/ethosforge/standard.webp" alt="EthosForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/ethosforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/ethosforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/figureforge-book.pdf 2026-07-10T04:40:02.858Z Spark & Anvil

Detective-style word puzzle game where students identify metaphors, similes, idioms, analogies, and personification through contextual investigation and creative writing challenges.

<p><strong>FigureForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/figureforge/standard.webp" alt="FigureForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/figureforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/figureforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/focusforge-book.pdf 2026-07-10T04:40:02.898Z Spark & Anvil

A gamified executive function training adventure for students ages 9-14, with specific design for ADHD and other neurodivergent learners. Players build study skills through six EF domains: working memory, inhibitory control, cognitive flexibility, planning/organization, task initiation, and time awareness.

<p><strong>FocusForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/focusforge/standard.webp" alt="FocusForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/focusforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/focusforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/fossilforge-book.pdf 2026-07-10T04:40:02.958Z Spark & Anvil

Players run paleontology expeditions -- excavating fossil sites grid-by-grid, preparing specimens in the lab, classifying them taxonomically, and building museum exhibits. Real geological periods, scientifically accurate specimens, and the careful process of real fossil preparation. The only paleontology simulation on iOS for ages 9-14.

<p><strong>FossilForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/fossilforge/standard.webp" alt="FossilForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/fossilforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/fossilforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/fractionforge-book.pdf 2026-07-10T04:40:02.958Z Spark & Anvil

Master fractions, decimals, and place value through virtual manipulatives, number line challenges, and real-world problem contexts — following the research-backed Concrete-Representational-Abstract instructional model. Ages 8-12.

<p><strong>FractionForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/fractionforge/standard.webp" alt="FractionForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/fractionforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/fractionforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/functionforge-book.pdf 2026-07-10T04:40:02.974Z Spark & Anvil

Interactive function laboratory — input-output machines, function tables, linear/quadratic/exponential functions, and real-world data fitting. Visual "function machine" component builder bridging arithmetic to algebra.

<p><strong>FunctionForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/functionforge/standard.webp" alt="FunctionForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/functionforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/functionforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/gambittales-book.pdf 2026-07-10T04:40:02.990Z Spark & Anvil

Narrative-Driven Chess for Tweens — tactical patterns + piece movements as recurring character archetypes (10-character cast: tactics layer + world layer). Captain Castle rook mascot narrates a kingdom where Pin / Fork / Skewer / Discovered Attack / Double Attack / X-Ray live alongside King Pumble, King Sable, Pawn Patrol, Sienna & Bran, Trotter & Trundle, Gable & Garrett, Queen Vesper.

<p><strong>GambitTales</strong> — illustrated chapter book featuring 14 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/gambittales/standard.webp" alt="GambitTales cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/gambittales-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/gambittales-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/geometryforge-book.pdf 2026-07-10T04:40:03.006Z Spark & Anvil

Interactive geometry exploration app for ages 9-14 covering the complete CCSS Geometry curriculum — transformations, coordinate geometry, similarity, proof, and 3D solids — using hands-on RealityKit 3D visualization, visual theorem discovery, and progressive spatial reasoning challenges. Companion app to CubeSensei (which focuses on Rubik's Cube mastery and magic tricks).

<p><strong>GeometryForge</strong> — illustrated chapter book featuring 12 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/geometryforge/standard.webp" alt="GeometryForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/geometryforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/geometryforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/grammarforge-book.pdf 2026-07-10T04:40:03.022Z Spark & Anvil

Master grammar, sentence structure, and language conventions through interactive sentence diagramming puzzles, error detective investigations, and style editing challenges — turning grammar rules into engaging game mechanics. Ages 9-14.

<p><strong>GrammarForge</strong> — illustrated chapter book featuring 12 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/grammarforge/standard.webp" alt="GrammarForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/grammarforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/grammarforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/haikuquest-book.pdf 2026-07-10T04:40:03.050Z Spark & Anvil

Form-Scaffold Poetry for Tweens — haiku, tanka, cinquain, limerick with syllable counters, cultural-context teaching, and AI Socratic refinement (Cherry).

<p><strong>HaikuQuest</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/haikuquest/standard.webp" alt="HaikuQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/haikuquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/haikuquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/improvquest-book.pdf 2026-07-10T04:40:03.114Z Spark & Anvil

Play improv comedy games with friends and AI scene partners — say "yes, and..." to adventure

<p><strong>ImprovQuest</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/improvquest/standard.webp" alt="ImprovQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/improvquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/improvquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/jestforge-book.pdf 2026-07-10T04:40:03.146Z Spark & Anvil

Learn to write jokes, riddles, and puns — then battle friends to see who's funniest

<p><strong>JestForge</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/jestforge/standard.webp" alt="JestForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/jestforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/jestforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/lifequest-book.pdf 2026-07-10T04:40:03.186Z Spark & Anvil

Navigate real-life consumer decisions — compare phone plans, read lease agreements, plan meals on a budget, spot consumer scams, and manage a household — through simulation of the everyday adult scenarios that middle schoolers will face within five years. Ages 11-14.

<p><strong>LifeQuest</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/lifequest/standard.webp" alt="LifeQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/lifequest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/lifequest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/linguaquest-book.pdf 2026-07-10T04:40:03.198Z Spark & Anvil

Explore a vibrant adventure world where you MUST communicate in your target language to solve puzzles, make friends, order food, and save the kingdom — an RPG that makes language learning irresistible.

<p><strong>LinguaQuest</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/linguaquest/standard.webp" alt="LinguaQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/linguaquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/linguaquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/lyricforge-book.pdf 2026-07-10T04:40:03.242Z Spark & Anvil

Write the Songs You Hear in Your Head — tween songwriting studio where the lyric is the protagonist; form scaffolds + on-device rhyme/meter + AI Socratic lyric collaborator (Pip).

<p><strong>LyricForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/lyricforge/standard.webp" alt="LyricForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/lyricforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/lyricforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/machineforge-book.pdf 2026-07-10T04:40:03.258Z Spark & Anvil

Build extreme machines from simple components — levers, pulleys, gears, and wheels — then test them in a physics sandbox, design vehicles, launch catapults, and demolish structures by exploiting mechanical weak points.

<p><strong>MachineForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/machineforge/standard.webp" alt="MachineForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/machineforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/machineforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/marketquest-book.pdf 2026-07-10T04:40:03.282Z Spark & Anvil

Virtual economy where students explore supply and demand, set prices, trade goods, and run market experiments -- building economic literacy through hands-on simulation and strategic decision-making.

<p><strong>MarketQuest</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/marketquest/standard.webp" alt="MarketQuest cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/marketquest-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/marketquest-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/mathcircle-book.pdf 2026-07-10T04:40:03.282Z Spark & Anvil

Pass-and-play multipeer math circle for 2 to 4 kids on a single iPad. Rotating Scribe / Checker / Proposers table operationalizes cooperative math problem solving. 60 hand-curated circle problems. Ages 9-14.

<p><strong>MathCircle</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/mathcircle/standard.webp" alt="MathCircle cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/mathcircle-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/mathcircle-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/mathlore-book.pdf 2026-07-10T04:40:03.286Z Spark & Anvil

Ethnomathematics adventure traveling through world civilizations — Babylonian base-60, Mayan vigesimal, Islamic geometric art, Indian zero/algebra, African fractal geometry, Inca quipu, Japanese origami geometry. Culturally responsive math education.

<p><strong>MathLore</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/mathlore/standard.webp" alt="MathLore cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/mathlore-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/mathlore-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/mindforge-book.pdf 2026-07-10T04:40:03.326Z Spark & Anvil

Adventure RPG where players navigate social scenarios, manage stress through mini-games, and build emotional intelligence by helping NPCs resolve conflicts. Combines CASEL's 5 core competencies with SHAPE America's National Health Education Standards in a quest-based format. AI-driven NPCs respond to player choices with realistic emotional reactions.

<p><strong>MindForge</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/mindforge/standard.webp" alt="MindForge cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/mindforge-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/mindforge-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/motiflab-book.pdf 2026-07-10T04:40:03.350Z Spark & Anvil

Composition-as-Narrative-Arc for Tweens — motif IS the protagonist; 6-stage arc (intro → motif statement → development → contrast → recapitulation → resolution). Trill songbird mascot (sibling to LyricForge's Pip).

<p><strong>MotifLab</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/motiflab/standard.webp" alt="MotifLab cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/motiflab-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/motiflab-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/numbersense-book.pdf 2026-07-10T04:40:03.414Z Spark & Anvil

Daily-prompt estimation app for ages 9-12. A 10-second estimate phase before every compute phase. Per-kid calibration card surfaces estimation bias over time. Wordle-template daily cadence.

<p><strong>NumberSense</strong> — illustrated chapter book featuring 10 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/numbersense/standard.webp" alt="NumberSense cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/numbersense-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/numbersense-book.pdf">Advanced Edition (ages 11-14)</a></p> https://cdn.spark-and-anvil.com/standard/numberverse-book.pdf 2026-07-10T04:40:03.414Z Spark & Anvil

Kids ages 10-14 construct and explore a living world using math

<p><strong>Numberverse</strong> — illustrated chapter book featuring 5 cast members. Free download.</p> <p><img src="https://spark-and-anvil.com/books/covers/numberverse/standard.webp" alt="Numberverse cover" width="300"/></p> <p><a href="https://cdn.spark-and-anvil.com/standard/numberverse-book.pdf">Download Standard Edition (ages 9-12)</a> · <a href="https://cdn.spark-and-anvil.com/advanced/numberverse-book.pdf">Advanced Edition (ages 11-14)</a></p>