In Victorian London, fourteen-year-old Modo, a shape-changing hunchback, becomes a secret agent for the Permanent Association, which strives to protect the world from the evil machinations of the Clockwork Guild.
- ISBN10 1299214347
- ISBN13 9781299214347
- Publish Date 13 June 2014 (first published 22 September 2009)
- Publish Status Active
- Out of Print 17 February 2015
- Publish Country US
- Imprint Wendy Lamb Books
- Format eBook
- Language English