Diamonds in the sky : a social History of Air Travel Civil Aviation No specific gravity On the ice Scott's book : the life and mildenhall-melbourne flight of C.W.A. Scott Challenge to the Poles : highlights of arctic and antarctic aviation God is my co-pilot Fighter command : a study of air defence 1914-1960 long arm of America Getting of the ground Soaring flight Let's fly : an A.B.C. of Flying