| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| And Eternity | 978-0-380-75286-7 | 1991 | Piers Anthony |
| For Love of Evil | 978-0-380-75285-0 | 1990 | " |
| Question Quest | 978-0-380-75948-4 | 1991 | " |
| The Color of Her Panties | 978-0-380-75949-1 | 1992 | " |
| Xanth 13: Isle of View | 978-0-380-75947-7 | 1990 | " |