Official NASA publication: The Apollo Spacecraft: A Chronology, Volumes I–IV (NASA SP-4009). Washington, DC: US Government Printing Office, 1969–1978. Hardcover, 8 x 10.5, totaling 1295 pages. Part of the 'NASA Historical Series,' the well-illustrated set chronicles the development, design, and deployment of the Apollo spacecraft. The title pages of the first two volumes bear blindstamps from the Harry S. Truman Library in Independence, Missouri. In overall fine condition, with light wear to covers and spines.