Xena and Xander Holmes, an American brother and sister spending a year in England, use clues in their ancestor Sherlock Holmes' casebook as they try to solve the mystery of a monster threatening a peaceful country village where a documentary film is being made.
- ISBN10 142999150X
- ISBN13 9781429991506
- Publish Date 15 March 2011 (first published 12 May 2009)
- Publish Status Active
- Imprint Henry Holt & Company
- Format eBook
- Pages 176
- Language English