Joyce, Katherine. <br/><br/>
Astounding optical illusions / 
Katherine Joyce. 
 - New York :  Sterling Pub. Co.,  c1994. 
 - 96 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/> Presents a collection of fantastic optical illusions including designs, hidden pictures, shadow illusions, and magic 
<br/><br/><label>ISBN: </label>0806904313 
<br/><br/><label>LCCN: </label>93043911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions--Juvenile literature.<br/>Optical illusions.<br/>Perception.
<br/><br/><label>LC Class. No.: </label>QP495  / .J68 1994 
<br/><br/><label>Dewey Class. No.: </label>152.14/8