Supraner, Robyn. <br/><br/>
Stop and look! :  Illusions / 
written by Robyn Supraner ; illustrated by Renzo Barto. 
 - Mahwah, N.J. :  Troll Associates,  c1981. 
 - 47 p. :  ill. (some col.) ;  25 cm. 
<br/><br/> Presents optical illusions, some of which the reader constructs himself, showing relative sizes, color changes, and patterns that play tricks on one's eyes. Includes explanations of the illusions. 
<br/><br/><label>ISBN: </label>089375434X (lib. bdg.) :  $11.89 
<br/><br/><label>LCCN: </label>80023799 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions.<br/>Optical illusions--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QP495  / .S96 
<br/><br/><label>Dewey Class. No.: </label>152.1/48