Synopsis
History
First publication: Analog, January 1967
Review
Videos
We have the story in these editions:
The Book of Poul Anderson, paperback, DAW Books, 1975-06-00
Analog Science Fiction/Science Fact, January 1967, edited by John W. Campbell Jr., magazine, Conde Nast, 1967-01-00
All of the stories in the David Falkayn series:
The Three-Cornered Wheel
Trader Team
A Sun Invisible
Supernova