Rubin, Gretchen <br/><br/>
The hapiness project:  or, why I spent a year trying to sing in the morning, clean my closets, fight right, read Aristotle and generally have more fun. 

 - New York:  Harper Collins Publishers,  2015. 
 - xviii, 345 p.  20 cm. 
<br/><br/><label>ISBN: </label>9780062888747 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>158 RUB