Time-Life Books  <br/><br/>
The Trained mind: Total concentration 
Time-Life Books 
<br/><br/><label>ISBN: </label>0809461188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitness, health and nutrition--General
<br/><br/><label>Dewey Class. No.: </label>613 TIM