4887316
9781554071722
Formerly at the California Institute of Technology, Al Seckel is a leading authority on visual and other types of sensory illusions. He is the author of 15 books on this subject, including the classic The Great Book of Optical Illusions. He is also well-known for his illusion column in National Geographic Kids magazine.Seckel, Al is the author of 'Optical Illusions The Science of Visual Perception', published 2006 under ISBN 9781554071722 and ISBN 1554071720.
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