In the domed city of Ash Harbor, as sixteen-year-old Solomon Wheat and his friend Cleo seek Sol's missing father, they face great danger both from humans and failures of the city itself.
- ISBN10 006197496X
- ISBN13 9780061974960
- Publish Date 6 October 2009 (first published 23 September 2008)
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format eBook
- Pages 336
- Language English