War in the shadows : the guerilla in history / by Robert B. Asprey apostles of mobility : the theory and practice of armoured warfare / Michael Carver Humanity in warfare : the modern history of the international law of armed conflicts / [by] Geoffrey Best Silent heroes : the bravery and devotion of animals in war / Evelyn Le Chêne Weapons : an international encyclopedia from 5000 BC to 2000 AD / [by]the Diagram Group ; [editor David Harding] complete machine-gun, 1885 to the present / [written by Ian V. Hogg] ; [illustrated by John Batchelor] Pictorial history of the machine gun / F.W.A. Hobart the cassell history of warfare art of war : war and military thought / Martin van Creveld ; general ed.: John Keegan justice of Rumania's cause / by A.W.A. Leeper outline of arms and armour in England from the early Middle Ages to the Civil War / by the late Sir James Mann ; revised … discussion books geography behind history / by Gordon East Soldiers : a history of men in battle / John Keegan, Richard Holmes ; with John Gau ; forew. by Frederick Forsyth