I, Claudia in Bloomington, MN

First in the Claudia Seferius mystery series, set in 13 B. C.!
Claudia Seferius has successfully flattered her way into marriage with a wealthy Roman wine merchant. But when her secret gambling debts spiral, she hits on another resourceful way to make money - offering her "personal services" to high-ranking Roman Citizens.
Unfortunately her clients are now turning up dead - the victims of a sadisitc serial killer.
When Marcus Cornelius Orbilio, the handsome investigating officer, starts digging deep for clues, Claudia realizes she must track down the murderer herself - before her husband discovers what she's been up to.