The Savage Wars of Peace by Max Boot. A look at America’s long history of small, undeclared military operations in the name of nation-building and peacekeeping–from the Barbary Wars to Bosnia.

Longitudes &Attitudes by Thomas L. Friedman. The New York Times columnist’s memoir of the months after 9-11, paired with his Pulitzer Prize-winning writings on the attacks and their political aftermath.

A Peace to End All Peace by David Fromkin. Focuses on the years between 1914 and 1922, when the Allies redrew the map of the Middle East, inadvertently reigniting ancient conflicts and setting the stage for terrorism.

The Threatening Storm by Kenneth Pollack. A clear-eyed look at the failed U.S. policy toward Saddam Hussein. Pollack excels where the president may have failed, making a compelling case for the invasion of Iraq.

The Mission by Dana Priest. Examines America’s increasing reliance on its military to manage–and cure–complex crises in foreign policy and international diplomacy.