To Catch a Rogue (Electronic book text)

When antiquities begin to go missing from London drawing rooms Miss Calliope Chase sets out to restore order. The thief must be a well-connected member of the Ton. And she doesn't need to look much further than Cameron de Vere, Earl of Westwood, for a suspect.
What she doesn't realize is that her determined pursuit of a criminal is beginning to look like a budding romance. Until Cameron kisses her, and her ordered life is thrown into appalling confusion