| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| *OP Bitter Road, The | 978-1-56504-407-4 | 2000 | Eric Taylor · Lynn Davis |
| *OP Order of Reason | 978-1-56504-469-2 | 2001 | Brian Campbell |
| *OP Orphan's Survival Guide | 978-1-56504-436-4 | 1998 | Phil Brucato · Brad Beltane · Justin R. Achilli · Lawrence Snelly |
| Revelations of the Dark Mother | 978-1-56504-237-7 | 1998 | Phil Brucato |
| The Fallen Tower: Las Vegas | 978-1-58846-408-8 | 2003 | Conrad Hubbard |
| Witches and Pagans | 978-1-56504-496-8 | 2004 | Phil Brucato · Rebecca Moss |