Bono, Edward de <br/><br/>
Six thinking hats 

 - New Delhi  Penguin Books  1999 
 - xiii,177 Pages  | Binding - Paperback | 
<br/><br/><label>ISBN: </label>978-0-141-03305-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personality Development (PDS)
<br/><br/><label>Dewey Class. No.: </label>808.38762  / BON