The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain

by Gary R. Gruber

Book Overview

FLEX YOUR brain power like never before From acclaimed author Dr. Gary Gruber, whose proven critical-thinking methods have sold more than seven million books, this collection of mind-bending brain... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1402238576
• ISBN13: 9781402238574
• Release Date: August 2010
• Publisher: Sourcebooks
• Length: 188 Pages
• Weight: 0.60 lbs.
• Dimensions: 0.6" x 6.4" x 8.0"