books by subject
Brain Teaser Games
A Christmas Cornucopia: The Hidden Stories Behind Our Yuletide Traditions
The New Book of IQ Tests
Mensa Puzzle Book Vol 1: v. 1 (The Mensa Puzzle Book)
Ken Russell Puzzle Challenge
CAN YOU BELIEVE YOUR EYES
Alex's Adventures in Numberland: Dispatches from the Wonderful World of Mathematics
Train Your Brain: 10-minute Su Doku Workout
Games for Thinking (Stories for Thinking)
Devastatingly Difficult IQ Puzzles
Loopy Logic Problems and Other Puzzles (Ivan Moscovich's Mastermind Collection) (Ivan Moscovich's Mastermind Collection S.)
Carol Vorderman's Massive Book of Sudoku
Mathematical Circus
Can Cows Walk Down Stairs?: Perplexing Questions Answered
That Book
Make Your Own 3D Illusions
My Very Very Very Very Very Very Very Silly Book of Jokes: The hilarious new joke book from MATT LUCAS, star of The Great British Bake Off and creator ... an official UK download chart-topping song...
The Ordnance Survey Puzzle Tour of Britain: Take a Puzzle Journey Around Britain From Your Own Home (Puzzle Books)
How Intelligent Are You? The Universal IQ Tests
IQ Puzzles
The Strangest Rugby Quiz Book
Magic Eye II: Now You See It...: No. 2 (Magic Eye: A New Way of Looking at the World)
The Mindfulness Puzzle Book 2: Dr Gareth Moore (Mindfulness Puzzle Books)
Ripley’s Believe It or Not! 2022: All True! All Weird! All Wild!
Puzzler Kriss Kross vol. 3
Wordsearch for Relaxation (192pp royal puzzles)
Brain Training (Flexiback Bumper)
Ultimate Crosswords (Flexiback Bumper)
How to Have Creative Ideas: 62 exercises to develop the mind
The Guinness Book of Word Games
