De Bono, Edward,  1933-  <br/><br/>
Six thinking hats / 
Edward de Bono. 
 - 1st U.S. ed. 
 - Boston :  Little, Brown,  c1985. 
 - 207, [1] p. ;  23 cm. 
<br/><br/>Bibliography: p. [208] 
<br/><br/><label>ISBN: </label>0316177911 :  $16.95 
<br/><br/><label>LCCN: </label>85081445  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.
<br/><br/><label>LC Class. No.: </label>BF441  / .D385 1985 
<br/><br/><label>Dewey Class. No.: </label>153.4/2