Still recovering from his encounter with Rick Doheny, Dan feels someone is watching him and worries about odd occurrences at the Eckert House museum as he, Pete, and Shelby work to solve a mystery involving a strange box.
- ISBN10 1417747897
- ISBN13 9781417747894
- Publish Date 1 February 2005 (first published 18 January 2005)
- Publish Status Out of Print
- Out of Print 7 April 2021
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English