Niven, David.  <br/><br/>
The 100 simple secrets of happy people :   what scientists have learned and how you can use it /  
David Niven.  
 - 1st ed.  
 - New York :    HarperCollins,   2000.  
 - xvi, 204 p. ;   19 cm.  
<br/><br/><label>ISBN: </label>9780062414588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Happiness. <br/>Conduct of life. <br/>Self-help techniques. 
<br/><br/><label>Dewey Class. No.: </label>158  / NIV