The Mensa Puzzle Book: The World's Toughest Puzzles from the World's Smartest Organization : Mensa Ltd: Amazon.de: Bücher
The Mensa Puzzle Book: v. 1 - Russell, Kenneth; Carter, Philip J.: 9780747401186 - AbeBooks
Hard-To-Solve Brainteasers: Official American Mensa Puzzle Book : Poniachik, Jaime, Poniachik, Lea, Gordon, Peter, American Mensa Limited: Amazon.de: Bücher
Mensa® Mind Benders
Mensa All-Color Puzzle Book 1 : Allen, Robert: Amazon.de: Bücher
The Mensa Puzzle Book: The World's Toughest Puzzles from the World's Smartest Organization : Mensa Ltd: Amazon.de: Bücher