books by subject
Brain Teaser Games

Wordsearch Extra (Best Ever 160 Pb)

IQ MINDBENDERS

Mathematical Carnival (Penguin Press Science S.)

The Book of Japanese Puzzles, and How to Solve Them: Sudoku, Kakuro, Hanjie

How to Hold a Crocodile

Test and Assess Your IQ: Numerical, Verbal and Spatial Aptitude Tests

Pub Tricks and Brain Teasers

Amazing Visual Illusions

Chris Tarrant's Dangly Bits

Ultimate Book of Optical Illusions

Collins Bradford’s Crossword Solver’s Dictionary

Dante's Infernal Puzzle Collection

The Only Fools & Horses Quiz Book: A lovely jubbly Christmas gift

The GCHQ Puzzle Book II, Bletchley Park Brainteasers, The Scotland Yard Puzzle Book, The Bumper Book of Would You Rather 4 Books Collection Set

Bletchley Park Logic Puzzles (Bletchley Park Puzzles, 6)

The Telegraph: All New Quick Crosswords 1 (The Telegraph Puzzle Books)

2,024 QI Facts To Stop You In Your Tracks

THE DASTARDLY BOOK FOR DOGS

Collins Bradford’s Crossword Solver’s Lists

Quiz Lists Quizzes (Categorical quizzes)

As Easy As Pi: Stuff about numbers that isn't (just) maths

The Times Book of IQ Tests: Book Three (Testing Series)

Hilarious Jokes For 10 Year Old Kids: An Awesome LOL Joke Book For Kids Filled With Tons of Tongue Twisters, Rib Ticklers, Side Splitters and Knock Knocks

Mensa Brain Fit

Cricket: Let's Get Quizzical

The Mastermind Quiz Book

222 QI Answers to Your Quite Ingenious Questions: More of Your Questions Answered by the QI Elves

Train Teasers: A Quiz Book for the Cultured Trainspotter

Brain-boosting Quantum Puzzles
