Puzzle Theory books

Our puzzles, on paper.

The same generators that make our daily games build these books, and every puzzle is checked for exactly one solution. No screen, no battery, just a pencil and a good grid.

Paperback · Adults

Star Battle & Takuzu

120 Logic Puzzles for Adults, Warm-Up to Expert

The paper versions of Queens and Tango: one star per row, column and region, and balanced grids of ● and ○. Big 6.6-inch grids, one puzzle per page.

120 puzzles, each with exactly one solution
3 levels: Warm-Up, Challenge, Expert
Rules, worked examples and full solutions

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Paperback · Kids 6–10

Logic Puzzles for Kids

120 Star and Sun & Moon Brain Games, Ages 6–10

Kid-sized versions of our crown and sun-and-moon puzzles, from little 4×4 grids up. Screen-free thinking for road trips, quiet time and classrooms.

120 puzzles in 3 levels: Easy, Medium, Tricky
Picture rules and secret tricks
Answers, a make-your-own page and a certificate

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