New York: Ultimate Publishing, 1972. SIGNED first edition - Both digests have cover art and illustration by Don Davis for the "Jupiter Project" and both issues are SIGNED by Gregory Benford at the story. Serial novel complete in two issues. The first appearance of this novel set in what was then the near future, aboard an aging space station "the Can'.Also includes stories by James Tiptree, Jr, F. M. Busby, William C. Johnstone and more. Illustrated, ads. 130 pp each.