00587nam a2200193 a 4500 20140414132103.0 100722s19uu xx 00 eng d 0590222279 35 p. : col. ill. ; 22 cm. M 152.14 W51 2002 Wick, Walter Walter Wick's optical tricks. New York : Scholastic , 2002. 35 p. Presents a series of optical illustions and explains what is seen. Optical illusions --Juvenile literature. Visual perception. 114519 114519 0 0 0 0 MU MU M 2010-07-22 BkReward 629.00 0 M 152.14 W51 2002 M6368 2014-04-14 00:00:00 2014-04-14 BK