描述
By: Jack McDevitt | Series: Hutch
A civilization-destroying omega cloud has switched direction, heading straight for a previously unexplored planetary system--and its alien society. And suddenly, a handful of brave humans must try to save an entire world--without revealing their existence.
A civilization-destroying omega cloud has switched direction, heading straight for a previously unexplored planetary system--and its alien society. And suddenly, a handful of brave humans must try to save an entire world--without revealing their existence.