Her first book, A Problem from Hell: America and the Age of Genocide, grew out of a paper she wrote in law school. The book won the Pulitzer Prize for General Non-Fiction in 2003. It offers a survey of the origin of the word genocide, the major genocides of the 20th century, as well as an analysis of some of the underlying reasons for the persistent failure of governments and the international community to collectively identify, recognize and then respond effectively to genocides ranging from the Armenian Genocide to the Rwandan Genocide.
systematically ignoring genocidal projects sponsored by the United States in Guatemala, in East Timor, and Southeast Asia.
Power appears in Charles Ferguson's 2007 documentary, No End in Sight, which alleges numerous missteps by the Bush administration in the U.S. war in Iraq.