The Pultizer Prizes for Letters are judged in the following categories: for distinguished fiction by an American author, preferably dealing with American life; for a distinguished book upon the history of the United States; for a distinguished biography or autobiography by an American author; for a distinguished volume of original verse by an American author; for a distinguished book of non-fiction by an American author that is not eligible for consideration in any other category. Awards are announced in April.

2006 Winners

Fiction

Geraldine Brooks, March (Penguin)

General Non-Fiction

Caroline Elkins, Imperial Reckoning: The Untold Story of Britain's Gulag in Kenya (Henry Holt)

Biography

Martin J. Sherwin, American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer (Random House)

History

David M. Oshinsky, Polio: An American Story (Oxford University Press)

Poetry

Claudia Emerson, Late Wife (Louisiana State University Press)