Ben-Shahar, Tal. <br/><br/>
Even happier :  a gratitude journal for daily and lasting fulfillment / 
Tal Ben-Shahar. 
 - xii, [2], 208 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>9780071638036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Happiness