books by subject
Puzzles & Quizzes
Fantastic Optical Illusions & Puzzles
Where in the World am I?: Mystery Geography Puzzles
Murder at Thrippleton Hall (Mystery Puzzle Books)
Mind-bending Challenging Optical Puzzles (Mind Bending Puzzle Books)
The Ultimate Golf Quiz (Ultimate Quiz)
IQ Puzzles
The Ultimate World Cup Fact and Quiz Book
Amazing Magic 3D: v. 3 (Amazing 3D S.)
Kids IQ Puzzles
Brain-boosting Quantum Puzzles
Brain-boosting Sequence Puzzles
Brain-boosting Cryptology Puzzles
Family Flip Quiz: Bk.2
Categorically Quizzes, 8 Book Box Set
Let's Have a Christmas Flip Quiz
Fame by Chance: An A-z of Places That Became Famous (Or Infamous) by a Twist of Fate
Close-up Puzzles: Optically Confusing Photographs
Concise Bridge: The Compact Guide for Beginners
Guinness World Records Mind Bending Quiz Pad (Guinness World Records Quiz Books)
Guinness World Records Mind Boggling Quiz Pad (Guinness World Records Quiz Books)
Planet Earth IntelliQuest Geography Quiz
Puzzles for Medical Students: Differential Diagnosis
How to solve sudoku: A Step-by-step Guide (52 Brilliant Ideas)
The Book of Where?
Perfect Pub Quiz (Perfect (Random House))
Puzzler Word Search Volume 8 (Puzzler Paperbacks)
A Sussex Miscellany (Sussex Guide)
The Great British Quiz Book
Constable Colgan's Connectoscope: How One Thing Leads to Another