Increase Your Puzzle IQTips and Tricks for Building Your Logic Power

Learn how to take the tease out of brainteasers, and increase your puzzle IQ with this eye-opening guide to solving puzzles. Revealing the basic principles and strategies of cracking logic problems,...

The Liar Paradox and the Towers of HanoiThe 10 Greatest Math Puzzles of All Time

A walk through history's most mind-boggling puzzles ...