In this new series, Mars is changing. Seemingly overnight the once "Red" planet is turning to gray. Something is happening, something unnatural. A team of, literally, rocket scientists figure out a way to send a probe, very fast, to Mars to determine how and why.
- ISBN10 1416555307
- ISBN13 9781416555308
- Publish Date 1 February 2008 (first published 1 August 2006)
- Publish Status Active
- Publish Country US
- Imprint Baen Books
- Format Paperback
- Pages 560
- Language English