Bound to keep a promise to her dead uncle, Is travels to the mysterious north country to find two missing boys, one of them a prince, and to discover why so many children in London are disappearing.
- ISBN13 9781504027618
- Publish Date 1 December 2015 (first published 1 April 1993)
- Publish Status Active
- Publish Country US
- Imprint Open Road Media
- Format Paperback (US Trade)
- Pages 252
- Language English