Synopsis
History
First publication: Astounding, May 1945
1946 RetroHugo winner for best novelette.
Review
Videos
We have the story in these editions:
The Best of Murray Leinster, paperback, Del Rey, 1978-04-00
The Great SF Stories 7 (1945), edited by Isaac Asimov and Martin H. Greenberg, paperback, DAW Books, 1982-07-00