books by subject
Brain Teaser Games
Lewis Carroll's Games and Puzzles (Dover Recreational Math)
1000 Sudoku Puzzles
The Best Pub Quiz Book Ever! (Puzzle House)
Mensa - Test Your IQ: Twenty IQ tests from the masters of intelligence
How Do You Get an Egg into a Bottle and Other Puzzles
What Are You Looking At?
The Times Killer Su Doku Book 7: 150 lethal Su Doku puzzles (The Times Su Doku)
The Jane Austen Quiz Book
The Hamlyn Crossword Dictionary
Longman Anagram Dictionary
Sudoku Xpert
KAKURO PUZZLE BOOK: 120 Original Cross Sum Puzzles
Maze Puzzles: Over 100 Amazing and Perplexing Mazes
The I Used to Know That: Maths Activity Book: Stuff You Forgot from School (I Used to Know That ..., 28)
Brain Games For Dummies (For Dummies Series)
Mathematical Byways in Ayling, Beeling and Ceiling (Recreations in Mathematics S.)
Puzzle Book (Essential Puzzle S.)
Maze: A Riddle in Words and Pictures
Formula One (Concise Encyclopaedias)
QI: The Pocket Book of General Ignorance
tips from the old gardeners
The O Level Book: Genuine Exam Questions from Yesteryear (Gift)
Family General Knowledge Quiz Book: 1500 Question mixture for adults, teenagers and children
The Book of the Year
Advanced IQ Tests: The Toughest Practice Questions to Test Your Lateral Thinking Problem Solving and Reasoning Skills
Who Wants To Be A Millionaire? The Ultimate Challenge
The History Puzzle
Doctor Who - The Nightmare of Black Island (New Series Adventure 10)
WORLD'S BEST CARD GAMES FOR ONE