books by subject
Puzzles & Quizzes
How Intelligent Are You? The Universal IQ Tests
The Mammoth Book of Puzzles: New edition (Mammoth Books)
Pears Advanced Word Puzzler
Penguin Quickway Crossword Dictionary
Rainforests (Interfact S.)
Weather (Interfact S.)
Wrinklies Puzzles: Clever Conundrums for Older Intellects
How to Win at Russian Roulette: And Other Fiendish Logic Problems
Mckie's Gazetteer: A Local History of Britain
Brainteasers, Puzzles &Mathematical Diversions
Perfect Brain Training
Flip Quiz General Knowledge: Ages 9-10
Do You Think You're Clever?: The Oxford and Cambridge Questions
One Minute Puzzles
Large Print Brain Training Puzzles
Logic Puzzles (Large Print Puzzles)
Matchstick Puzzles: Test Your Brain Power with These Tricks and Puzzles
500 Puzzles: Wordseach
The Really Horrible Book of Facts: Includes Gross Quiz Questions! (Childrens Spirals)
Where's Stig: Motorsport Madness
A Second Mensa Puzzle Book
Around the World Quiz Book
Puzzle Mountain
Super Word Search
Word Search
52 PooDokus to Do While You Poo: Puzzles, Activities and Trivia to Keep You Occupied
The Gentleman’s Puzzler
The British Puzzle Book
Where's Stig: The World Tour