US Army Air Force
USAAF Airways Flying: A Handbook for Military Pilots, WWII-era
This is an original WWII-era document jointly prepared by the US Army Air Force and the Civil Aeronautics Administration. The 30-page booklet provides information for pilots using the civil airways while operating in the skies over the USA.
USAAF pilots were to follow these guidelines while flying in the US while in training, conducting transport flights, or ferrying aircraft.
It is in good condition given its age.