| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Crowned in a Far Country: Portraits of Eight Royal Brides | Paperback | 978-0-7432-9637-3 | 2007 | |
| Cupid and the King: Five Royal Paramours | " | 978-0-7432-7086-1 | 2006 | |
| The Serpent and the Moon: Two Rivals for the Love of a Renaissance King | " | 978-0-7432-5106-8 | 2005 | |
| The Serpent and the Moon: Two Rivals for the Love of a Renaissance King | Hardcover | 978-0-7432-5104-4 | 2004 | Princess Michael of Kent |