books by subject
Brain Teaser Games
Chambers Crossword Manual, 5th Edition
RHS Gardener's Quiz & Puzzle Book: 100 Brainteasers for Gardeners Who Know Their Onions
The Great Book of Sudoku: Over 500 Puzzles
Boost Your Brain: Switch on your Brain with over 300 Puzzles, Tips, and Teasers
The Great British Pub Quiz Book: More than 120 quizzes about Great Britain
Sit & Solve (R) Picture Word Search Puzzles
The Ultimate Tottenham Hotspur FC Trivia Book: A Collection of Amazing Trivia Quizzes and Fun Facts for Die-Hard Spurs Fans!
Family Flip History Quiz (Flip quiz)
Wordle Challenge 2: 500 puzzles to do anywhere, anytime: Volume 5
How to Fold Origami: Easy techniques and over 25 great projects
The Monty Hall Problem: The Remarkable Story of Math's Most Contentious Brain Teaser
"Guardian" Crosswords: Quick One (Guardian Newspapers Ltd)
Codes and Ciphers
Jay's Virtual Pub Quiz 2
The Times KenKen Book 4: The new brain-training puzzle phenomenon (The Times Puzzle Books)
Tarquin Sudoku: Logical Puzzles to Test Your Reasoning Powers and How to Create Them
The History of the World Quiz Book: 1,000 Questions and Answers to Test Your Knowledge
Big Book of Su Doku 9: 300 Su Doku puzzles (Collins Su Doku)
Sudoku
Body and Health (Knowledge Quest S.)
Collins Bradford's Crossword Solver's Dictionary
Su Doku Solver
Travel Trivia
Crosswords: Over 100 Puzzles
365 Days of Tab Arrows
As Easy As Pi: Stuff about numbers that isn't (just) maths
Ripley's Believe It or Not! 2023
The 20th Century Quiz Book
Wordsearch Selection