Freakonomics: A Rogue Economist Explores the Hidden Side of Everything by Steven D. Levitt and Stephen J. Dubner - William Morrow, 2005

"Dubner and Levitt's latest New York Times Magazine 'Freakonomics' column (Sept. 11, 2005) concerns Seth Roberts, a Berkeley psychologist whose very long and frequently strange history of self-experimentation has led to, among other things, a revolutionary new diet."