Happy Cat Books · Sussex Academic Press
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The Churches and Catacombs of Early Christian Rome: A Comprehensive Guide | Hardcover | 978-1-902210-57-5 (1-902210-57-3) | 2001 |
| The Churches and Catacombs of Early Christian Rome: A Comprehensive Guide | Paperback | 978-1-902210-58-2 (1-902210-58-1) | 2001 |
| The Ship's Kitten | " | 978-1-905117-83-3 (1-905117-83-3) | 2008 |