From the Pulitzer website:
The 2012 Pulitzer Prize Winners
General Nonfiction
For a distinguished and appropriately documented book of nonfiction by an American author that is not eligible for consideration in any other category, Ten thousand dollars ($10,000).
Awarded to "The Swerve: How the World Became Modern," by Stephen Greenblatt (W.W. Norton and Company), a provocative book arguing that an obscure work of philosophy, discovered nearly 600 years ago, changed the course of history by anticipating the science and sensibilities of today.