By Steven D. Levitt & Stephen J. Dubner Steven D. Levitt & Stephen J. Dubner Steven D. Levitt & Stephen J. Dubner. By Steven D.Levitt and Stephen J.Dubner Steven D. Levitt and Stephen J. Dubner Steven D. Levitt and Stephen J. Dubner. 李维特(Steven D. Levitt),杜伯纳(Stephen J. Dubner)著 史帝文·李维特(Steven D. Levitt),史帝芬·杜伯纳(Stephen J. Dubner)著