By Steven D.Levitt and Stephen J.Dubner Steven D. Levitt and Stephen J. Dubner By Steven D. Levitt & Stephen J. Dubner Steven D. Levitt and Stephen J. Dubner. Steven D. Levitt & Stephen J. Dubner Steven D. Levitt & Stephen J. Dubner. 李维特(Steven D. Levitt),杜伯纳(Stephen J. Dubner)著 by Nick Sharratt and Stephen Tucker