ballantine's illustrated history of world war ii. weapens books German secret weapons : blueprint for Mars / Brian Ford key uniform guides German parachute forces 1935-45 / by Brian L. Davis elite series Wehrmacht combat helmets 1933-45 / Brian C. Bell ; illustrated by Kevin Lyles Badges and insignia of the Third Reich, 1933-1945 / Brian Leigh Davis ; colour plates by Malcolm McGregor Third Reich daggers : 1933-1945 / J.A. Bowman ; artwork by Brian Molly