Cover of The Case of the Stolen Master CodeCase file in preparation
Math Mission Files
Ages 9–12Case 01

The Case of the Stolen Master Code

24 escape-room math missions across a living puzzle atlas.

On opening day at the Hall of Wonders, a six-part Master Code disappears. Follow a changing atlas through six puzzle worlds, recover every fragment, and rebuild the route to the final vault.

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Inside the book

A mystery built from mathematics.

  • 24 connected missions
  • 96 illustrated puzzle stops
  • Progressive hints and worked solutions
  • Six evidence checkpoints and a final reconstruction
Look inside the case

Clues you can see.
Reasoning you can follow.

The visual world supports the puzzle—not the other way around. Each case combines story scenes, functional evidence, clear hint paths, and worked solutions.

Operations and patternsFractions and measurementGeometry and coordinatesLogic and multi-step reasoning
Interior preview pages from The Case of the Stolen Master Code
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A note for grown-ups

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