ace books Panzer leader / Heinz Guderian ; forew. by B.H. Liddell Hart ; transl. from the German by Constantine Fitzgibbon Panzer leader / Heinz Guderian ; forew. by B.H. Liddell Hart ; transl. from the German by Constance Fitzgibbon ballantine's illustrated history of the violent century $ war leader book Guderian / John Keegan