Von Oech, Roger. <br/><br/>
Expect the unexpected (or you won't find it) :   a creativity tool based on the ancient wisdom of Heraclitus 
Roger von Oech ; illustrated by George Willett. 
 - San Francisco, CA :  Berrett-Koehler,  c2002. 
 - xii, 196 p. :  ill. ; 
<br/><br/><label>ISBN: </label>9781576752272 - PB 
<br/><br/><label>Subjects--Topical Terms: </label><br/>2. Creative thinking--1. Heraclitus, -- of Ephesus.