Koehl, Capt Hermann, Major James C. Fitxmaurice and Baron Guenther von Huenefeld. The three Musketeers of the Air. New York, G.P. Putnam's Sons, 1928. 8vo (5.5x8.5"), 330 pages, photo illus, blue cloth with gold embossing. The story of the first west to east crossing of the Atlantic by those who flew it. Very good; ink name on front and rear end papers, light wear on top and bottom of spine.