Pollan, Stephen M It's all in your head : thinking your way to happiness : the 8 essential secrets to leading a life without regret by Stephen M. Pollan and Mark Levine - New York Collins 2005 - 216 p. ; 23 cm ISBN: 60759992 ISSN: 2005049708 Subjects--Topical Terms: Happiness Dewey Class. No.: 158.1 POL