00999cam a2200289 4500 622801370 TxAuBib ||||||s1986||||||||||||||||||||||||eng|u 86-010986 9780531102206 0531102203 DLC TxAuBib White, Laurence B. Optical illusions / Laurence B. White, Jr., and Ray Broekel ; [diagrams by Anne Canevari Green]. New York : F. Watts, 1986. 93 p. : ill. (some col.) ; 23 cm. First book. Bibliography: p. 87. Includes index. Explains how optical illusions trick the eye and fool perception and provides examples and instructions for readers to make their own. Optical illusions Juvenile literature. Optical illusions. Broekel, Ray. Green, Anne Canevari. First book. TXHAP