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

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$17.99  $16.73
Publish Date
8.85 X 9.82 X 0.72 inches | 0.98 pounds

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About the Author

Seymour Simon has been called "the dean of the [children's science book] field" by the New York Times. He has written more than 300 books for young readers and has received the American Association for the Advancement of Science/Subaru Lifetime Achievement Award for his lasting contribution to children's science literature, the Science Books & Films Key Award for Excellence in Science Books, the Empire State Award for excellence in literature for young people, and the Educational Paperback Association Jeremiah Ludington Award. He and his wife, Liz, live in Columbia County in Upstate New York. You can visit him online at, where students can post on the "Seymour Science Blog" and educators can download a free four-page teacher guide to accompany this book, putting it in context with Common Core objectives. Join the growing legion of @seymoursimon fans on Twitter!

The previous edition of this book in 1976 was titled ""The Optical Illusion Book, "" and in this revised edition, Simon brings the amazing world of optical illusions up to date. He showssome of the secrets behind many classical illusions and explains their reasons. The section on optical illusions in classical art is illuminating, and the various drawings and puzzlingillustrations challenge the mind. Simon is one of the most prolific writers on scientific data for young people, and this book certainly meets his standards. -- "Register Star," November 1998