Volume 1: 11/07/1975, 7th edition, 358 pages Volume 2: 11/08/1974, first edition, 285 pages Volume 3: 12/20/1974, first edition, 298 pages Volume 4: 07/23/1976, first edition, 346 pages Volume 5: 08/19/1977, first edition, 350 pages I bought these based on the cover art and stored them in a chest. As the images show, I think they are generally in good condition for used paperbacks. The text is readable without any problems!