Unpaginated HTML ebook; also available (without artwork) as plain text (us-ascii); all formats available from Ebook #23764.
Produced from Analog, August 1962. The HTML version includes reproductions of artwork by Schelling from that issue.
The listings at the top of the edition give the author's name as "Gordon Randall Garrett"; however, the listing within the text gives it as "Randall Garrett".
"Produced by Greg Weeks, Stephen Blundell and the Online Distributed Proofreading Team at http://www.pgdp.net"