To save the members of his tribe from being devoured by the beasts that share their primitive world, Stopmouth must make his way to the mysterious, futuristic world above, even though a virus is destroying the Upstairs and driving millions of refugees to seek shelter below.
- ISBN: 9780385751490
- Author: O Guilin, Peadar
- Published: 2012 , David Fickling Books
- Themes: destroy, Journey, Mysteries, Refugees, Rescues, shelter, Survival, tribes
- Descriptors: Europe, Fantasy, Ireland, Science Fiction, Young Adult (ages 14-18)
- No. of pages: 448