Jenner, Paul, <br/><br/>
How to Be Happier: A Teach Yourself Guide : 

 -  Mcgraw-hill,  2010. 
<br/><br/><label>ISBN: </label>9780071665100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Self-Help.
<br/><br/><label>Dewey Class. No.: </label>158.1  / JEN