Title: The Ultimate Mathematical Challenge: Over 365 puzzles to test your wits and excite your mind, Author: The UK Mathematics Trust
Title: The Total Brain Workout: 450 Puzzles to Sharpen Your Mind, Improve Your Memory & Keep Your Brain Fit, Author: Marcel Danesi
Title: The Pilot Who Wore a Dress: And Other Dastardly Lateral Thinking Mysteries, Author: Tom Cutler
50% OFF
Title: Star Battle Puzzles, Author: Jim Bumgardner
Paperback $4.99 $9.99 Current price is $4.99, Original price is $9.99.
Title: Remarkable Lateral Thinking Puzzles, Author: Paul Sloane
Title: Oddities: A Spot the Odd One Out Puzzle Book, Author: John Bigwood
50% OFF
Title: Logic Puzzles 2, Author: Norman D. Willis
Paperback $4.97 $9.95 Current price is $4.97, Original price is $9.95.
50% OFF
Title: Giant Logic Puzzles for Geniuses, Author: Nikoli
by Nikoli
Other Format $4.97 $9.95 Current price is $4.97, Original price is $9.95.
Title: Extreme Brain Workout: 500 Fun and Challenging Puzzles to Boost Your Brain Power, Author: Marcel Danesi
Title: Brain Games Mini Christmas, Author: PIL Staff
50% OFF
Title: Brain Benders for Champions: Crosswords, Logic Puzzles, Word Games & More, Author: Stanley Newman