Her Dark Master — Jennifer August

In Regency England, good girls like Victoria Ashford don't pen wicked stories for underground sex papers and they certainly don't don a mask and exchange places with a whore in a desperate bid to share one night of passion with the man she's always desired. When Matthew Corwin, Earl of Sussex, discovers the identity of his remarkably responsive, submissive “whore”, he plots erotic payback for her treacherous deception, never intending to let his heart get involved. But protecting her from a blackmailer makes him realize maybe there's more than just being her dark master…