De Bono, Edward,  1933- <br/><br/>
The dog exercising machine / 
Edward de Bono 
 - Harmondsworth :  Penguin,  1971 
 - 124 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0671210912 
<br/><br/><label>LCCN: </label>76-159129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving in children<br/>Children's art