"Humans are the only animals who create and solve puzzles--for the sheer pleasure of it--and there is no obvious genetic reason why we would do this. Marcel Dan

How you can become better at solving real-world problems by learning creative puzzle-solving skills We solve countless problems—big and small—every day. Wit

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 an

This brand-new puzzle book features 200 logic questions of varying types and difficulty. Mental workout warriors and logic lovers will adore The Everything Book

Have fun and flex your mental muscle with brainteasers, word searches, cryptograms, optical illusions, sudoku, frameworks, logic puzzles, trivia and more. Did y