| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Dragon in Danger | 978-0-14-030491-6 (0-14-030491-6) | 1975 | Constance Marshall |
| Green Smoke | 978-1-903252-29-1 (1-903252-29-6) | 2008 | |
| The Dragon's Quest | 978-0-14-030656-9 (0-14-030656-0) | 1974 | Constance Marshall |