A lonely boy named Radish Rademacher hopes to become a member of his twin sister's detective agency after showing the members an old treasure map he found in a cave.
- ISBN10 0786824190
- ISBN13 9780786824199
- Publish Date 1 April 2001
- Publish Status Active
- Publish Country US
- Imprint Hyperion Books
- Format Hardcover (Library Binding)
- Pages 135
- Language English