Synopsis
History
First publication: F&SF, July 1956
Review
Videos
We have the story in these editions:
The Best of Isaac Asimov, paperback, Fawcett Crest, 1973-00-00
Nine Tomorrows, hardcover, Doubleday / SFBC, 1959-06-00
All of the stories in the Wendell Urth series:
The Key
Murder in the Urth Degree
The Singing Bell
The Talking Stone
The Dying Night