De Bono, Edward <br/><br/>
Letters to thinkers  further thoughts on bateral thinking / 
Edward de Bono 
 - London  Penguin Books  1988 
 - 325p.  ill.  24cm. 
<br/><br/><label>ISBN: </label>0140146482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking