When Tommy goes to visit his Aunt Jeanne at her mansion, he finds a series of notes that are clues to an unnamed puzzle meant to be solved by Tommy and the reader.
- ISBN10 0613830008
- ISBN13 9780613830003
- Publish Date 25 August 2003 (first published 23 July 2001)
- Publish Status Active
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English