| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Child of the Northern Spring | Hardcover | 978-0-671-62200-8 | 1987 | ||
| Child of the Northern Spring: Book One of the Guinevere Trilogy | Paperback | 978-1-4022-4522-0 | 2010 | ||
| Ginevra. Bd.1: Tochter des Frühlings | Gebunden | 978-3-608-93497-7 | 2000 | ||
| Ginevra. Bd.2: Königin unter Sternen | " | 978-3-608-93498-4 | 2001 | ||
| Ginevra. Bd.3: Rückkehr nach Camelot | " | 978-3-608-93499-1 | 2003 | Hans J. Schütz | |
| Guinevere: The Legend in Autumn | Paperback | 978-0-671-70832-0 | 1993 | ||
| Guinevere: The Legend in Autumn | Hardcover | 978-0-671-70831-3 | 1991 | ||
| Guinevere, the Legend in Autumn: Book Three of the Guinevere Trilogy | Paperback | 978-1-4022-4643-2 | 2011 | ||
| How to Write and Sell Historical Fiction | Hardcover | 978-0-89879-753-4 | 1997 | ||
| Queen of the Summer Stars | Paperback | 978-0-671-62202-2 | 1991 | ||
| Queen of the Summer Stars | Hardcover | 978-0-671-62201-5 | 1990 | ||
| Queen of the Summer Stars: Book Two of the Guinevere Trilogy | Paperback | 978-1-4022-4640-1 | 2011 | ||
Klett-Cotta · Simon & Schuster · Sourcebooks · Writers Digest Books