Mensa's® Super-Strength Mind Benders: 100 Puzzles and Teasers to Exercise Your Mind!

Mensa® Mind Benders: 100 Logic Games and Puzzles to Improve Your Memory, Exercise Your Brain, and Keep Your Mind Sharp (Mensa's Brilliant Brain Workouts)

Mensa® Mind Puzzles: 100 Word and Logic Games To: Improve Your Memory, Sharpen Your Wit, and Train Your Brain (Mensa's Brilliant Brain Workouts)

The Mensa Genius Quiz-a-day Book