books by subject
Brain Teaser Games
The Pyrgic Puzzler: Classic Conundrums
Brain-boosting Quantum Puzzles
Train Teasers: A Quiz Book for the Cultured Trainspotter
222 QI Answers to Your Quite Ingenious Questions: More of Your Questions Answered by the QI Elves
The Mastermind Quiz Book
Cricket: Let's Get Quizzical
Mensa Brain Fit
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
The Times Book of IQ Tests: Book Three (Testing Series)
As Easy As Pi: Stuff about numbers that isn't (just) maths
Quiz Lists Quizzes (Categorical quizzes)
Collins Bradford’s Crossword Solver’s Lists
THE DASTARDLY BOOK FOR DOGS
2,024 QI Facts To Stop You In Your Tracks
Mathematical Carnival (Penguin Press Science S.)
On Crosswords: Thoughts, Studies, Facts and Snark about a 100-Year-Old Pastime
The Telegraph Centenary Crossword Collection: 100 Landmark Puzzles from the Telegraph's Archives (The Telegraph Puzzle Books)
IQ Puzzles
IQ Genius
Left Brain, Right Brain: 50 Puzzles to Change the Way You Think
The Rough Guide Book of Brain Training (Rough Guide Reference)
The All New University Challenge Quiz Book: Questions, Answers, Facts, Figures and everything in between.: The Ultimate Quiz Book
Would You Rather Game Book: For Kids 6-12 Years Old: The Book of Silly Scenarios, Challenging Choices, and Hilarious Situations the Whole Family Will Love (Game Book Gift Ideas)
Oxford World's classics: Can Jane Eyre Be Happy?: More Puzzles in Classic Fiction
Chic Crosswords 2
Wordsearch Extra (Best Ever 160 Pb)
IQ MINDBENDERS
Collins Bradford’s Crossword Solver’s Dictionary
Dante's Infernal Puzzle Collection
