books by subject
Brain Teaser Games
Hidden Dimensions: Use Your Deep Vision to Solve Mazes, Riddles and Other Perplexing Puzzles
How to Master The Times Crossword: The Times Cryptic Crossword Demystified
Pan Crossword Solver
The Second Book of 100 New Crosswords
The Bumper Book of Cricket Useless Information: Astounding Facts and Feats Both on and Off the Pitch
Winnie-the-Pooh's Trivia Quiz Book
Chambers Crossword Manual
The RAF Association Puzzle Book: Do You Have What It Takes to Fly with the Best?
The Ultimate Scrabble Book
How To Be A Genius: Brain training for the idle minded
The Telegraph: All New Cryptic Crosswords 8
Match of the Day 365
Collins Ultimate Quiz Night: 10,000 easy, medium and hard questions with picture rounds (Collins Puzzle Books)
I Used to Know That: Stuff You Forgot From School
The Great Emoji Quizbook
The Mensa Puzzle Book: v. 2
I Wonder Why Romans Wore Togas and Other Questions About Ancient Rome
Fifteen to One:2000 for 2000 (pb)
Chambers Anagrams
IQ Powerplay
Second Book of Mathematical Bafflers
Dissections: Plane and Fancy
Entertaining Mathematical Puzzles
Power Puzzles
Self-Working Number Magic
Optical Illusions and Puzzles
Sudoku
Wrinklies Puzzles: Clever Conundrums for Older Intellects
Can Cows Walk Down Stairs?: The Best Brains Answer the Biggest and Smallest Scientific Questions: Perplexing Questions Answered
