Quarrick, Gene,  1930-, <br/><br/>
Our sweetest hours :  recreation and the mental state of absorption / 
by Gene Quarrick. 
 - Jefferson, N.C. :  McFarland,  c1989. 
 - ix, 246 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 215-236. 
<br/><br/><label>ISBN: </label>0899504043  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recreation--Psychological aspects.<br/>Attention.