Panzer leader / Heinz Guderian ; forew. by B.H. Liddell Hart ; transl. from the German by Constance Fitzgibbon key uniform guides German parachute forces 1935-45 / by Brian L. Davis ballantine's illustrated history of world war ii. weapens books German secret weapons : blueprint for Mars / Brian Ford unknown courier / Ian Colvin ; with a note on the situation confronting the Axis in the spring of 1943 by field-Mashal Kesselring