Chariots for Apollo: A history of manned lunar space missions (by Courtney G. Brooks, James M. Grimwood, and Loyd S. Swenson, Jr., NASA History Series SP-4205, first edition, 1979) is the definitive NASA account of the Apollo program.
This was the personal copy of Laurence K. Loftin, Jr. In 1970 Loftin held the position of Director for Aeronautics at the Langley Research Center and he was chief Aeronautical Engineer at Langley from July 1972 until his retirement from NASA in December 1973.
