A.C. · D.A. · D.C. · Douglas A. Cliffe
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ghost of the Grey Templar | 978-0-304-93784-4 (0-304-93784-3) | 1971 |
| Strangers in the Mill | 978-0-304-93785-1 (0-304-93785-1) | 1971 |
| The Fish That Wouldn't Fry | 978-0-304-93786-8 (0-304-93786-X) | 1971 |