After Eric moves away he sends cryptic notes to Sebastian and David, who attempt to make sense of them by investigating a mysterious death.
- ISBN10 0689317026
- ISBN13 9780689317026
- Publish Date 1 September 1985
- Publish Status Active
- Publish Country US
- Publisher Simon & Schuster
- Imprint Atheneum Books for Young Readers
- Edition 2nd ed.
- Format Hardcover
- Pages 138
- Language English