books by subject
Brain Teaser Games

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

Big Quiz Book: 1001 brain busting trivia questions (National Geographic Kids)

Wordsearch Extra (Handy Puzzles)
