Grand Central Publishing · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Merlin Mystery | 978-0-446-52432-2 (0-446-52432-8) | 1998 | |
| The Merlin Mystery: The Secret Lies Inside.... | 978-0-00-224675-0 (0-00-224675-9) | 1998 | Marten Coombe |