| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Bulldog Drummond on Dartmoor | 978-0-85468-337-6 (0-85468-337-2) | 1973 | |
| Conspirator | 6302747325 (6302747325) | 1993 | Freddie Young · Frank Clarke · Arthur Hornblow Jr. · Humphrey Slater · Sally Benson |