Kushner, Harold S. How good do we have to be? : a new understanding of guilt and forgiveness / Harold S. Kushner. - 1st ed. - Boston : Little, Brown & Co., c1996. - ix, 181 p. ; 22 cm. ISBN: 0316507415 LCCN: 95025350 LC Class. No.: BJ1401 .K87 1996 / .K87 1996 Dewey Class. No.: 296.7