Seligman, Martin E. P. Authentic happiness : using the new positive psychology to realize your potential for lasting fulfillment / Martin E.P. Seligman. - New York : Free Press, 2002. - xiv, 321 p. ; 24 cm. Includes bibliographical references (p. [271]-304) and index. ISBN: 0743222970 9780743222983 (pbk.) Subjects--Topical Terms: Conduct of lifeHappinessOptimism