| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Only Opal: The Diary of a Young Girl | 978-0-698-11564-4 (0-698-11564-3) | 1997 | Opal Whiteley |
| Opal | 978-0-02-513970-1 (0-02-513970-3) | 1976 | |
| Opal | 978-0-02-976630-9 (0-02-976630-3) | 1976 | Opal Whiteley |