Levitt, Steven D. Freakonomics : a rogue economist explores the hidden side of everything / Steven D. Levitt and Stephen J. Dubner - Rev. and expanded ed. - New York, N.Y. : HarperTorch, 2006 - 320 p. Includes bibliographical references and index ISBN: 9780061242700 Subjects--Topical Terms: ECONOMICS--PSYCHOLOGICAL ASPECTSECONOMICS--SOCIOLOGICAL ASPECTS LC Class. No.: HB74 .P8 / L484F 2006