Niven, David,  1971- <br/><br/>
The 100 simple secrets of the best half of life :  what scientists have learned and how you can use it / 
 One hundred simple secrets of the best half of life  Best half of life 
David Niven. 
 - [San Francisco] :  HarperSanFrancisco,  c2005. 
 - xiii, 209 p. ;  19 cm. 
<br/><br/>Includes bibliographical references (p. 201-209). 
<br/><br/><label>ISBN: </label>0060564733 (pbk.) 9780060564735 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Middle-aged persons--Psychology.<br/>Middle-aged persons--Conduct of life.<br/>Older people--Psychology.<br/>Older people--Conduct of life.<br/>Happiness.<br/>Optimism.
<br/><br/><label>Dewey Class. No.: </label>158.10844  / NIV