Bridgman, Leonard (comp & ed). Janes' All the World's Aircraft - 1941. New York, Macmillan, 1942. 449pp, illus. Four parts; A) military, B) civil (stats), C) aircraft, D) engines. The aircraft section is over 50% of the total coverage. This copy in VG condition with VG dust jacket in mylar. A key resource for early WWII in the air.