| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Hello Birthday, Good-Bye Friend | 978-0-671-02160-3 | 1999 | Laura O'Neil |
| Mail-Order Brother | 978-0-671-01726-2 | 1998 | " |
| Major League Trouble | 978-0-671-53575-9 | 1996 | " |
| The Case of the Ballet Bandit | 978-0-590-29542-0 | 1998 | " |
| The Case of the Hotel Who-Done-It: A Novelization | 978-0-590-88013-8 | 1997 | " |