Waller, James, 1961- Becoming evil : how ordinary people commit genocide and mass killing / James Waller. - 2nd ed. - New York : Oxford University Press, 2007. - xxiii, 351 p. ; 24 cm. Includes bibliographical references and index. ISBN: 9780195180930 (cloth : alk. paper) 9780195314564 (pbk. : alk. paper) 0195180933 (cloth : alk. paper) 0195314565 (pbk. : alk. paper) LCCN: 2006048282 Subjects--Topical Terms: Genocide--Psychological aspects.Social psychology. LC Class. No.: HV6322.7 / .W35 2007 Dewey Class. No.: 364.15/1019