| title | ISBN-13 | year of publication |
|---|---|---|
| A Singular Lady | 978-0-451-21683-0 | 2005 |
| One-Eyed Dukes Are Wild: A Dukes Behaving Badly Novel | 978-0-06-241278-2 | 2015 |
| Tall, Duke, and Dangerous: A Hazards of Dukes Novel | 978-0-06-286744-5 | 2020 |
| When Good Earls Go Bad: A Victorian Valentine's Day Novella | 978-0-06-238030-2 | 2015 |