The self-proclaimed great-great-grandson of Sherlock Holmes helps Sergeant Gunther Wilson solve a number of different cases. Solutions for each mystery are given at the end of the book.
- ISBN10 1402706464
- ISBN13 9781402706462
- Publish Date 12 July 2003
- Publish Status Out of Stock
- Out of Print 23 October 2009
- Publish Country US
- Imprint Sterling Juvenile
- Format Paperback
- Pages 96
- Language English