Now You See It, Now You Don't: The Amazing World of Optical Illusions

Author/Contributor(s):	Simon, Seymour
Publisher:	HarperCollins
Date:	8/17/1998
Binding:	Hardcover
Condition:	NEW

This classic book on optical illusions explores dozens of visual riddles about distance, depth, brightness, contrast, and color. Newly designed and filled with more than eighty illustrations -- plus eight full-color pages of optical illusions -- Now You See It, Now You Don't lets youngsters see for themselves why they can't always believe their eyes!