American Power Boat Association 1971 Rule Book [two volumes]
APBA: Detroit, MI, 1971. 2 vols. 6.5 x 4.5", green cloth tape backed pict boards, 264pp, 340pp, covers a little worn and closely cut at edges, EX-LIBRARY with the usual markings, contents good. Part 1: Racing Rules, Part 2: General. Includes the APBA Unlimited Rules (hydroplanes). More