The roar /
Emma Clayton.
- 1st American ed.
- New York : Chicken House, 2009.
- 481 p. ; 22 cm.
In an overpopulated world where all signs of nature have been obliterated and a wall has been erected to keep out plague-ridden animals, twelve-year-old Mika refuses to believe that his twin sister was killed after being abducted, and continues to search for her in spite of the dangers he faces in doing so.