Lyubomirsky, Sonja. <br/><br/>
The how of happiness :  a scientific approach to getting the life you want / 
Sonja Lyubomirsky. 
 - New York :  Penguin Press,  2008. 
 - 366 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [313]-357) and index. 
<br/><br/><label>ISBN: </label>9781594201486 (cloth) 
<br/><br/><label>LCCN: </label>2007039942 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Happiness