This is imperial Germany's handbook of warfare in World War 1. It talks about allowed and prohibited conduct during war. It includes treatment of enemy prisoners of war, non-combatants, hostages, 'war rebels', spies, terrorists; private property, booty, plundering, war levies; administration of enemy territory and treatment of inhabitants. This is a book on the 'Usages of War on Land' issued by the Great General Staff of the Imperial German Army for the conduct of its armies in World War 1, translated by the British in 1915 as part of their propaganda program. It contains pointed critical marginal comments by J H Morgan, Professor of Constitutional Law at University College, London.