Assess your true potential. 

 - European ed. 
 - Amsterdam :  Time-Life Books,  1994. 
 - 144 p. :  ill. 
 - Mindpower .
<br/><br/><label>ISBN: </label>0705416003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brain.<br/>Intellect.<br/>Thought and thinking.<br/>Reason.<br/>Psychology.