21 smart nonfiction titles we think you'll enjoy this summer

Here are 21 promising nonfiction titles appearing just in time for summer 2012.

2. 'Johnson’s Life of London: The People Who Made the City That Made the World,' by Boris Johnson


All eyes will be on London this summer, and who better to serve as tour guide than the city’s breezy but erudite mayor, Boris Johnson. (May)

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