The Earth is crowded and food is rationed, but a colony on Ganymede, one of the moons of Jupiter, offers an escape for teenager Bill Lermer and his family.
- ISBN10 1416555404
- ISBN13 9781416555407
- Publish Date 6 May 2008 (first published December 1962)
- Publish Status Out of Stock
- Publish Country US
- Imprint Baen Books
- Format Paperback
- Pages 316
- Language English