Eureka! 3D Puzzle: Pirates
+6 Years Old
Brain Builder: Numbers (Puzzle Wright Press)
Crosswords
Mystifying Mind Benders - Over 100 Cunning Riddles
Puzzles and Mysteries to Solve
Puzzle Fun Super Pad
Ages 4-7
Eureka! 3D Puzzle Book: Castles
Mensa: Logic Puzzles - More Than 150 Brain Teasers to Test Your Power of Deduction
299 On-the-Go Games & Puzzles to Keep Your Brain Young - Minutes a Day to Mental Fitness
Mindworks Brain Traning: Left-brain Puzzles - Improves Math Skills and More!
Calming Crosswords - Relax and Unwind with Hundreds of Classic Crossword Puzzles
Mensa The High IQ Society: Boost Your IQ - Hundreds of Challenging Puzzles
The Times MindGames Number & Logic Puzzles
Book 4