| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Book of Lost Houses *OP | 978-1-56504-483-8 (1-56504-483-5) | 1999 | Krister Michl · Christopher Howard · Deena McKinney |
| Champions of Darkness | 978-1-58846-081-3 (1-58846-081-9) | 2002 | Beth Bostic · Tadd McDivitt |