E-text prepared by Sankar Viswanathan, Greg Weeks, Bruce Albrecht,
and the Project Gutenberg Online Distributed Proofreading Team
(http://www.pgdp.net)
Transcriber's note:
This etext was produced from Astounding Science Fiction, September, 1960. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.