Stapled paper wraps (softcover) are lightly soiled and chipped. Interior is solid and clean excepting a few black smudges. Thompson Repair and Tune-up Manual Passenger Car Series Buick - Vol. 1. Noted on the rear wrap are the winners of the Thompson Trophy Races 1927 -1947 closed course air speed contest. The winner in 1932 was none other than one James H. Doolittle who went on to fame as the leader of the Doolittle raid in WWII.