00807cam a2200253 4500 388806518 TxAuBib 20110713120000.0 041102s1998||||||||||||||||||||||||eng|u 97035672 9780590222273 0590222279 TxAuBib Wick, Walter, 1953- Optical Tricks / Walter Wick. New York : Scholastic, Inc., 1998. 43 pages : ill ; 28 cm. Presents a series of optical illusions and explains what is seen. 20041102. Optical Illusions. Picture Puzzles Juvenile literature. Picture Books. Puzzles and Games juvenile literature.