Perkins, David N, <br/><br/>
The Eureka Effect : 

 -  W. W. Norton & Company,  2001. 
 - 308 pages 
<br/><br/><label>ISBN: </label>9780393322552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Games & Activities.
<br/><br/><label>Dewey Class. No.: </label>153.4  / PER