Retroactive

Overview:

  • Title: Retroactive
  • Author: Bob Shaw
  • Year: 1972
  • Type: Short Fiction
  • Series: A.E.S.O.P.

Editions/Publications:

  • Unknown. Universe 2 (Unknown, Bob Shaw, Ace Books, ISBN-10: 0441846017, $0.95, 255 pages, Paperback, Anthology)
  • Unknown. Universe 2 (Unknown, Bob Shaw, Dennis Dobson, ISBN-10: 0234771224, £3.50, 255 pages, Hardcover, Anthology)