These are the books I've read by Steven D Levitt.

Superfreakonomics: Global Cooling, Patriotic Prostitutes, And Why Suicide Bombers Should Buy Life Insurance

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Read January 2012

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Freakonomics

Featured image for Freakonomics: A Rogue Economist Explores the Hidden Side of Everything

Read August 2009

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Sorry, sometimes the images can be really weird showing collections or books with similar titles. That's because I auto grabbed a lot of them and haven't double checked them yet! I'll get there.