Synopsis
History
First publication: Astounding, April 1957
Review
Videos
We have the story in these editions:
The Great SF Stories 19 (1957), edited by Isaac Asimov and Martin H. Greenberg, paperback, DAW Books, 1989-02-00
The Collected Short Works of Poul Anderson Volume 1: Call Me Joe, hardcover, NESFA Press, 2009-03-11