Synopsis
History
First publication: Galaxy, May 1958
Review
Videos
We have the story in these editions:
The Great SF Stories 20 (1958), edited by Isaac Asimov and Martin H. Greenberg, paperback, DAW Books, 1990-02-00
To Be Continued: Collected Stories of Robert Silverberg, Volume One, hardcover, Subterranean Press, 2006-11-00