The Mammoth Book of Brain Workouts
$4.49 - $40.53
The Ultimate Code-Breaker's Puzzle Book: Over 50 Puzzles to Become a Super Spy, Crack Codes, and Train your Brain!
$9.79 - $16.81
Alan Turing's Cryptic Codebreaker's Puzzle Book
$9.99 - $11.93
Sherlock Holmes Case-Book of Curious Puzzles
$6.49 - $11.90
Alice's Wonderful Puzzles
$11.92
The H. P. Lovecraft Book of Puzzles: Cosmic Conundrums from Beyond the Black Seas of Infinity
$11.93
Brain Benders: Puzzles, tricks and illusions to get your mind buzzing
$10.39
The Natural History Puzzle Book: Discover the natural world with these perplexing family puzzles!
Out of Stock
The Incredible Sherlock Holmes Puzzle Collection: Over 130 Perplexing Puzzles, Enigmas and Conundrums
$12.18
Einstein Puzzles: Brain Stretching Challenges Inspired by the Scientific Genius
$8.39 - $11.85
The Fifa Football Puzzle Book: Tackle More Than 100 Puzzles Inspired by the World's Most Beautiful Game
$20.82
404: Interactive Puzzle Book
$13.99 - $14.99
The Alan Turing Cryptic Codebreaking Puzzle Book
$13.03
Sherlock Holmes: Perplexing Puzzles
$6.09
Sudoku Xtra Issue 6: The Logic Puzzle Brain Workout
$12.18
Sudoku Xtra Issue 3: The Logic Puzzle Brain Workout
$12.18
Sudoku 25x25 Volume 1: Sudoku Xtra Specials
$12.18
Killer Sudoku: 100 Easy to Hard Puzzles and How to Solve Them
$12.15
Sudoku Xtra Issue 2: The Logic Puzzle Brain Workout
$12.18
Sudoku Xtra Issue 1: The Logic Puzzle Brain Workout
$12.18
Alice's Adventurous Puzzles
$9.49 - $11.93
Quantum Puzzles
$11.69 - $13.09
Memory Puzzles: Keep Your Memory Sharp with These Stimulating Challenges
$6.69
Mensa Crosswords: Test your word power with more than 100 puzzles
Out of Stock
Slitherlink: 100 Loop-the-Loop Puzzles and How to Solve Them
$12.18
Sherlock Holmes Case-Book of Curious Puzzles: A Collection of Enigmas to Puzzle Even the Greatest Detective
$11.93
Quantum Puzzles
$9.19
RSPB Great British Birdwatcher's Puzzle Book
$25.68
Alice's Puzzle Adventures in Wonderland
$11.91
Cozy Word Searches: Relax and Unwind with Over 100 Puzzles and Coloring
Releases 10/21/2025