Omega by Jack McDevitt [FIRST PAPERBACK PRINTING] 2003

Omega by Jack McDevitt [The Academy IV]

FIRST PAPERBACK PRINTING [2003] ACE SCIENCE FICTION

Book is in excellent condition.  Light shelf wear and tanning to pages.

Reads like new.

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.