Seckel, Al. <br/><br/>
Optical illusions  the science of visual perception /  [Book] : 
Al Seckel. 
 - Richmond Hill, Ont. :  Firefly Books,  c2006. 
 - 312 p. :  ill. (chiefly col.), maps, ports. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>0681154861 1554071518 (pbk.) 9781554071722 (bound) 1554071720 (bound) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions.<br/>Visual perception.
<br/><br/><label>Dewey Class. No.: </label>152.148