The First World War
The Guns of August
World War I: The Definitive Visual History
The Second World War
A Companion to World War I
Dynamic of Destruction: Culture and Mass Killing in the First World War (Making of the Modern World)
A World Undone: The Story of the Great War, 1914 to 1918
Storm of Steel (Penguin Classics Deluxe Edition)
The American Civil War: A Military History (Vintage Civil War Library)