Knotty Number Problems & Other Puzzles

by Ivan Moscovich

Take an appealingly illustrated fun test of your perceptual ability, math smarts, and knowledge combinations and probabilities. See how fast your eyes can discern the one sulking face nearly hidden in... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 140272344X
• ISBN13: 9781402723445
• Release Date: December 2005
• Publisher: Sterling
• Length: 128 Pages
• Weight: 1.00 lbs.
• Dimensions: 0.4" x 8.0" x 10.0"