Title: The Ultimate Mathematical Challenge: Over 365 puzzles to test your wits and excite your mind, Author: The UK Mathematics Trust
Title: The Transport for London Puzzle Book: Puzzle Your Way Across the Capital, Author: Gareth Moore
eBook $17.99 $23.96 Current price is $17.99, Original price is $23.96.
Title: The Total Brain Workout: 450 Puzzles to Sharpen Your Mind, Improve Your Memory & Keep Your Brain Fit, Author: Marcel Danesi
Explore Series
eBook $14.99 $19.99 Current price is $14.99, Original price is $19.99.
Title: The Sum of Numbers, Author: Carole Greene
Title: The Shipping Forecast Puzzle Book, Author: Alan Connor
eBook $12.99 $16.91 Current price is $12.99, Original price is $16.91.
Title: The SecretA Treasure Hunt, Author: Sean Kelly
Title: The Secret Formula For Solving Sudoku Puzzles: Become An Expert Sudoku Solver With These Easy To Learn Sudoku Tricks On Solving Sudoku Puzzles So You Can Play Sudoku With Very Little Effort, Author: Rebekah P. Haynes
Title: The Second Book of ABC Puzzles, Author: Kermit Rose
eBook $2.99 $3.99 Current price is $2.99, Original price is $3.99.
Title: The Scotland Yard Puzzle Book: Test Your Inner Detective by Solving Some of the World's Most Difficult Cases, Author: Sinclair McKay
Title: The Rubik's Cube in 5 Days: From Scrambled to Solved, Author: Jackey Zheng
Title: The Riddler: Fantastic Puzzles from FiveThirtyEight, Author: Oliver Roeder
eBook $12.99 $16.95 Current price is $12.99, Original price is $16.95.
Title: The Riddle of Scheherazade: And Other Amazing Puzzles, Ancient and Modern, Author: Raymond Smullyan
Title: The Retard Test: An Interactive EBook Game, Author: Sandra Ross
Title: The Reminiscence Puzzle Book: 1930s-1980s, Author: Robin Dynes
eBook $31.49 $36.95 Current price is $31.49, Original price is $36.95.
Title: The Quiz Box, Author: Millard Pat Patterson
Title: The Pyrgic Puzzler: Classic Conundrums, Author: Christopher Maslanka
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eBook $8.99 $9.95 Current price is $8.99, Original price is $9.95.
Title: The Puzzler: One Man's Quest to Solve the Most Baffling Puzzles Ever, from Crosswords to Jigsaws to the Meaning of Life, Author: A.J. Jacobs
Title: The Pilot Who Wore a Dress: And Other Dastardly Lateral Thinking Mysteries, Author: Tom Cutler
Title: The Pattern in the Carpet: A Personal History with Jigsaws, Author: Margaret Drabble
eBook $14.99 $19.99 Current price is $14.99, Original price is $19.99.
Title: The Original Area Mazes: 100 Addictive Puzzles to Solve with Simple Math-and Clever Logic!, Author: Naoki Inaba
Explore Series
eBook $1.99 $2.99 Current price is $1.99, Original price is $2.99.

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