This book was originally published in 1957. During the First World War, German use of unrestricted submarine warfare, supported by extensive mining and surface

This book was originally published in 1957. During the First World War, German use of unrestricted submarine warfare, supported by extensive mining and surface

During the World War 1 German use of unrestricted submarine warfare very nearly forced Britain out of the war in 1917. After the war Commanders Waters and Barle

From statesmen and military commanders to ordinary Britons, a bold, sweeping history of Britain's entrance into World War II—and its efforts to survive it—i