Synopsis
History
First publication: Playboy, January 1971
Review
Videos
We have the story in these editions:
The Collected Stories of Arthur C. Clarke, hardcover, Tor, 2001-02-00
The 1972 Annual World’s Best SF, edited by Donald A. Wollheim and Arthur W. Saha, hardcover, DAW Books / SFBC, 1972-07-00