Adler Irit <br/><br/>
Challenging Optical Picture Puzzles  / 
Adler Irit , Levy Shem 
 - New York  Sterling Publishing Co Inc  1998 
 - 96 p  21 cm 
<br/><br/><label>ISBN: </label>0806994401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions<br/>Picture Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73/ A C