Moscovich Ivan <br/><br/>
Fiendishly difficult visual perception puzzles / 
Ivan Moscovich. 
 - 1st U.S. ed. 
 - New York :  Sterling Pub. Co.,  1991. 
 - 64 p. :  ill. ;  24 cm. 
<br/><br/> Reprint. First published as part of: Mind benders. New York : Vintage Books, c1986.  Includes index. 
<br/><br/><label>ISBN: </label>0806982683  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>LC Class. No.: </label>GV1493 
<br/><br/><label>Dewey Class. No.: </label>793.73