Bury the Chains: Prophets and Rebels in the Fight to Free an Empire's Slaves

King Leopold's Ghost: A Story of Greed, Terror and Heroism in Colonial Africa

Spain in Our Hearts: Americans in the Spanish Civil War, 1936-1939

American Midnight: The Great War, a Violent Peace, and Democracy's Forgotten Crisis

The Mirror at Midnight: A South African Journey

Rebel Cinderella: From Rags to Riches to Radical, the Epic Journey of Rose Pastor Stokes

King Leopold's Ghost: A Story of Greed, Terror, and Heroism in Colonial Africa

The Unquiet Ghost: Russians Remember Stalin

Spain In Our Hearts: Americans in the Spanish Civil War, 1936–1939

To End All Wars: A Story of Protest and Patriotism in the First World War

To End All Wars: A Story of Loyalty and Rebellion, 1914-1918

Lessons from a Dark Time and Other Essays

Half the Way Home: A Memoir of Father and Son