Pritchett, Price Hard optimism : how to succeed in a world where positive wins Price Pritchett - New York McGraw-Hill c2007 - iv, 139 p. ; 21 cm Includes bibliographical references (p. 138-139) ISBN: 9780071485456 ISSN: 2006028006 Subjects--Topical Terms: Optimism Dewey Class. No.: 158.1 PRI