Lateral thinking  a textbook of creativity 
Edward de Bono  
 - London  Penguin Books,  1990  
 - 260p.  ill.  20cm. 
<br/><br/><label>ISBN: </label>9780141033082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Logic<br/>Creative thinking<br/>Lateral thinking