O'Neil, Catherine         <br/><br/>
You won't believe your eyes! 
Catherine O'Neil 
 - Washington, D.C.  National Geographic  1987 
 - 104 p. 
<br/><br/> Introduces the world of visual illusion, describing the workings of the eye-brain system and how different types of illusions occur. 
<br/><br/><label>ISBN: </label>0870446169 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions--Juvenile literature<br/>Visual perceptio  --Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>j152.148 O'Ne   21