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
Sherlock Holmes: Perplexing Puzzles
$6.09
404: Interactive Puzzle Book
$13.99 - $14.99
Treasure Hunt Puzzles: Engage Your Brain to Work Through These Awesome Adventure Puzzles, Under the Sea, to the Moon and More...
$11.93
The Alan Turing Cryptic Codebreaking Puzzle Book
$13.03
Sudoku Xtra Issue 12: The Logic Puzzle Brain Workout
$12.15
Sudoku 25x25 Volume 2: Sudoku Xtra Specials
$12.15
Sudoku 16x16 Volume 1: Sudoku Xtra Specials
$12.18
Sudoku 16x16 Volume 2: Sudoku Xtra Specials
$12.15
Sudoku Xtra Issue 6: The Logic Puzzle Brain Workout
$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
Quantum Puzzles
$11.69 - $13.09
Memory Puzzles: Keep Your Memory Sharp with These Stimulating Challenges
$6.69
Slitherlink: 100 Loop-the-Loop Puzzles and How to Solve Them
$12.18
Solve It With Sherlock Holmes: Crack the puzzles to solve thrilling mysteries
$12.71
Cozy Word Searches: Relax and Unwind with Over 100 Puzzles and Coloring
Releases 10/21/2025
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
ESCAPE ROOM - CAN YOU ESCAPE THE THEME P
Out of Stock