Offering these eight volumes of Drilling and Production Practice, sponsored by the Committees of Drilling and Production Practice, division of Production, American Petroleum Institute. Published by API, New York. Includes 7 volumes from 1961 to 1967 plus an index of Division of Production Papers 1927 to 1953 included. Each volume is 8 1/4 x 11 inches, nice black hardboard covers with gold gilt lettering on spines. Very good condition, no spine cracks, stains, or fraying, very clean. Pages are clean and crisp, no tears, scribbling, foxing, or stains. Front end paper on the 1961, 1962, and index have a company stamp, others do not. Nicely illustrated throught with many photos and diagrams. Nice books for one in the oil business!