Two Pontiac GTO books, Illustrated GTO Buyers Guide by Paul Zazarine, 1994 ed., detailed breakdown of all 1964-1974 GTO models, including Royal Bobcats, with production figures by engine and model, options, plant codes and collector advice, English lang., softbound, 128 p., many b&w photos, 9.25” x 7.5”, A- cond., (normal shelf wear); Catalog of Pontiac GTO ID Numbers 1964-74, by Cars & Parts Magazine, 1993 ed., includes VIN breakdowns, body plate decoding, option codes, color paint and upholstery samples, English lang., softbound, b&w photos, 10.75” x 8”, A- cond., (normal shelf wear), lot of 2.