Synopsis
History
First publication: Astounding, April 1938
1939 RetroHugo finalist for best short story.
Review
Videos
We have the story in these editions:
Early Del Rey, hardcover, Doubleday / SFBC, 1975-00-00
First Flight: Maiden Voyages in Space and Time, edited by Damon Knight, paperback, Lancer Books, 1963-08-00