Ben-Shahar, Tal 해피어 : 하버드대 행복학 강의 = Happier : learn the secrets to daily joy and lasting fulfillment / Tal Ben-Shahar. - Seoul: Wisdom House, 2007. - 303 p. ; hbk 22 cm . Korean language translated from publication Happier by Tal Ben-Shahar. Korean ISBN: 9788960860773 Dewey Class. No.: 152.42