Skyways to Berlin : with the American flyers to England Airborne Assault on Holland : an Interim Report Over the hump : USAF warrior studies Schweinfurtregensburg Mission : American raids on 17 august 1943 doodlebugs : the dramatic story of the flying bombs of World War II No bombs at all : some short stories of the Royal Air Force McCudden V.C. Stalin's generals Heaven next stop : impressions of a German Fighter Pilot Royal Air Force : Britain at war from january 1941 to March 1942 Royal Air Force : Britain at war from april 1942 to June 1943 Royal Air Force : Britain at war from october 1944 to September 1945