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.
- ISBN10 0441012108
- ISBN13 9780441012107
- Publish Date 26 October 2004 (first published 4 November 2003)
- Publish Status Active
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint Ace Books
- Format Paperback (US Mass Market)
- Pages 512
- Language English
- URL https://penguinrandomhouse.com/books/isbn/9780441012107