Tracy Anne Warren 
Accidental Mistress: A Rouge Regency Romance [EPUB ebook] 

To escape an arranged marriage, spirited Lily Bainbridge has staged her own death and, disguised as a boy, fled to London and a life of freedom. Yet her plans to masquerade as an independent widow are thwarted by an encounter with Ethan Andarton, a powerful and dangerously attractive marquis who wants to make her his mistress. But Lily is afraid that if she gives the Marquis of Vessey her innocence, he’ll steal her heart.Part two of Tracy Anne Warren’s Mistress trilogy. Other titles in this series are: My Fair Mistress and His Favourite Mistress.Rouge Romance – your first stop for romance books