books by subject
Brain Teaser Games
The GCHQ Puzzle Book
The Canterbury Puzzles (Puzzle Books)
The Penguin Book of Puzzles (Puzzle Books)
Pocket Posh Brain Games: 100 Puzzles
Mensa Logic Puzzles
Test Your IQ: 400 Questions to Boost Your Brainpower
The Times Book of IQ Tests: Book One
IQ and Psychometric Tests: Assess Your Personality Aptitude and Intelligence (Testing Series)
Ultimate Psychometric Tests: Over 1000 Verbal Numerical Diagrammatic and IQ Practice Tests
Detox Your Mind
Who Wants To Be a Millionaire? Junior Quiz Book
Spy School: Are You Sharp Enough to be a KGB Agent?
The Big Book of Su Doku
1000 Playthinks
Improve Your Brain Power: 400 Games, Puzzles and Brain Teasers to Unlock Your Mind
Colourful Lateral Thinking Puzzles
New Burlington Books Unsolved Mysteries
The Joy of Mathematics: Discovering mathematics all around you
The Powerscore LSAT Logic Games Bible: 2020 Edition. an Advanced LSAT Prep System for Attacking Any Logic Game, Updated for the Digital Lsat. (Powerscore LSAT Bible)
Elastic Numbers: 108 Puzzles for the Serious Problem Solver
Where's Wally? The Magnificent Mini Book Box: 1
Mindbenders: Brain-Boggling Tricks, Puzzles & Illusions (Dk General Reference)
Brain Games Lower Your Brain Age in Minutes A Day
Bletchley Park Brainteasers: The biggest selling quiz book of 2017
Word Play: A cornucopia of puns, anagrams and other contortions and curiosities of the English language
The World Cup Of Everything: Bringing the fun home
Grandad's Book Of Sudoku: 200 traditional sudoku puzzles in easy, medium and hard
101 Bets You Will Always Win: The Science of the Seemingly Impossible
Brain Training Puzzles For Kids: 100 of the best brain teasers with over 50 puzzle types
