On the Edge: The Art of Risking Everything

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The Ultimate Logic Grid Puzzle Book for Adults: 100 Fun Deductive Challenges (Kindle Scribe Only) (Logic Puzzles - The Ultimate Collection 1)

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The Gödelian Puzzle Book: Puzzles, Paradoxes and Proofs (Dover Math Games & Puzzles)

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Short-Cut Math (Dover Books on Mathematics)

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1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

R 563

Write On! Battleship Logic Puzzles (Kindle Scribe Only) (Write On! Kindle Scribe Activity Books)

R 843

The Stanford Mathematics Problem Book: With Hints and Solutions (Dover Books on Mathematics)

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Chess: 5334 Problems, Combinations and Games

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Mathematics and the Imagination (Dover Books on Mathematics)

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More Sideways Arithmetic from Wayside School: More Than 50 Brainteasing Maths Puzzles

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