books by subject
Brain Teaser Games
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
The Pyrgic Puzzler: Classic Conundrums
Wordsearch Extra (Large Print Trivia)
The Daily Telegraph Ninth Crossword Puzzle Book: No. 9 (Penguin Crosswords S.)
Factfinder: Facts and figures at a glance
Top Pocket Crossword Decoder (Longman top pocket series)
Big Book of Su Doku 5: 300 Su Doku puzzles (Collins Su Doku)
The Times Mind Games Word Puzzles and Conundrums Book 1: 500 brain-crunching puzzles, featuring 5 popular mind games (The Times Puzzle Books)
75 Years of 'The Times' Crossword
The Ordnance Survey Journey Through Time: The brand new book in the Sunday Times bestselling puzzle series!
Categorically Quizzes: When, Where, What Quizzes (Categorical Quizzes)
The Daily Telegraph Eighth Crossword Puzzle Book: No.8 (Penguin crossword puzzles)
Brainiacs Mind Benders
Mind = Blown: Amazing Facts About this Weird, Hilarious, Insane World
