Lord Hankey was a British civil servant and the first Cabinet Secretary, a top aide to Prime Minister David Lloyd George and the War Cabinet that directed Britain in World War One. First published in 1961, this two-volume collection is a history of the Supreme Command of the war; the conduct of the war, the development of the Supreme Command from Balfour to Lloyd George, and the emergence of the Cabinet Secretariat from the Secretariat of the War Cabinet.