Presents visual puzzles that challenge perception and perspective, including hidden figures and reversing cubes. Title: Ambiguous Optical Illusions Author: Seckel, Al Publisher: Sterling Pub Co Inc Publication Date: 2005/04/01 Number of Pages: 96 Binding Type: PAPERBACK Library of Congress: 2004019482 BRAND : SECKEL, AL SKU : 9781402718298 UPC : 9781402718298
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