P.G. · P R · R. Griffin · R. Griffin Peni
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| 11,000 Years Lost | Paperback | 978-0-8109-9251-1 | 2006 |
| 11,000 Years Lost | Hardcover | 978-0-8109-4822-8 | 2004 |
| The Ghost Sitter | Paperback | 978-0-14-230216-3 | 2002 |
| The Ghost Sitter | Hardcover | 978-0-525-46676-5 | 2001 |
Dutton · Harry N. Abrams · Penguin