KeenJa Puzzle Books
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About Author

Anthony
Martin

Anthony Martin is a Canadian author and puzzle creator inspired by retro video games, board games, and the joy of getting delightfully lost in a maze.

A Computer Science graduate and longtime NES collector, he combines creativity, technology, and automation to bring unique books and interactive adventures to life.

Visit Anthony.ca Browse the books
Illustrated detective character representing Anthony Martin
Author · Puzzle creator
The work

Puzzles with a point of view.

Each KeenJa collection starts with a different invitation: solve the crime, guide the cat, cross the maze, or find the number that makes everything click.

Deductive logicVisual storytellingMazesSudoku
More from KeenJa

See the puzzles in action.

Visit the KeenJa Puzzle Books channel for videos, puzzle guides, and new releases.

Visit the YouTube channel