1st World Library - Literary Society · Stackpole Books
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| On the Gorilla Trail | Paperback | 978-0-8117-3206-2 (0-8117-3206-1) | 2005 |
| The Fortieth Door | Hardcover | 978-1-4218-1073-7 (1-4218-1073-5) | 2006 |
| The Fortieth Door | Paperback | 978-1-4218-1173-4 (1-4218-1173-1) | 2005 |
H B · H. Bradley · Hastings-B · M B · M. Bradley · M. H. · Mary Bradley