The Jewels of Aptor / Second Ending (Ace Double)

F-173. Ace Double featuring The Jewels of Aptor by Samuel R. Delany with James White's Second Ending on the flip side. ("The Last man in a universe of robots.") The author of Dahlgren and Triton's first book. 156 / 100 pages. Originally prices at 40 cents. Jewels of Aptor cover art by Jack Gaughan.