A squad of humans tasked with monitoring the border of a warlike alien race, and a squad of those aliens leading the way for an alien invasion of human space, converge on a planet where an anomalous object is detectable, and both vie to retrieve it for their own species.
Source · ISFDB CC BY 4.0
Placement
- Man-Kzin Wars
- contained in Man-Kzin Wars Vanthology