| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Wings of the Black Cross Number 4 | 978-0-9794035-0-7 (0-9794035-0-2) | 2008 |
| Wings of the Black Cross Number 6 | 978-0-9794035-4-5 (0-9794035-4-5) | 2008 |
| Wings of the Black Cross Number Three | 978-0-9761034-9-3 (0-9761034-9-4) | 2006 |