00434 a2200157 4500 9780061956270 330 LEV 27019 46749 Levitt, Steven D. Freakonomics a rogue economist explores the hidden side of everything New York harper Collins Publishers 2005 2009 xv,315p. 17cm Economics Dubner, Stephen J. L 53774 53774 0 0 0 0 LEN MKDL MKDL LEN 2011-06-06 0 330LEV 64732 2011-06-06 00:00:00 0.00 2016-10-31 L