books by subject
Puzzles & Quizzes
Huge Quiz Book
Let's Have a Christmas Flip Quiz
Categorically Quizzes, 8 Book Box Set
Family Flip Quiz: Bk.2
Brain-boosting Cryptology Puzzles
Brain-boosting Sequence Puzzles
Brain-boosting Quantum Puzzles
Kids IQ Puzzles
Amazing Magic 3D: v. 3 (Amazing 3D S.)
The Ultimate World Cup Fact and Quiz Book
IQ Puzzles
The Ultimate Golf Quiz (Ultimate Quiz)
Mind-bending Challenging Optical Puzzles (Mind Bending Puzzle Books)
Murder at Thrippleton Hall (Mystery Puzzle Books)
Where in the World am I?: Mystery Geography Puzzles
Fantastic Optical Illusions & Puzzles
X is for UneXplained: An Incredible Selection of Inexplicable Trivia
Tangrams: The Ancient Shapes Game (Lagoon games)
Mind-Bending Classic Word Puzzles (Mind Bending Puzzle Books)
The Number Puzzler: The Art of Cracking Number Sequences
The Number Detective: 100 Number Puzzles to Test Your Logical Thinking
100 Ready-made Quizzes
MEGA QUIZ BOOK (Puzzle Book)
Do You Think What You Think You Think?
Think about it (Amazing brain games)
Seeing is Believing (Amazing brain games)
Spotlight on Words Book 2: Phonic Wordsearch Puzzles and Activities to Help the Development of Spelling Skills: Bk. 2
Spy Catcher (Lego Puzzle Maze)
Jewel Thief (Lego Puzzle Maze)
