| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Happy Birthday, Samantha: A Springtime Story | 978-0-937295-35-9 (0-937295-35-3) | 1987 | Valerie Tripp · Robert Grace |
| Samantha Saves the Day: A Summer Story | 978-0-937295-92-2 (0-937295-92-2) | 1990 | Valerie Tripp · Robert Grace |