Paula Marshall 
Daring Duchess [EPUB ebook] 

A staid politician and a free-spirited widow team up to take on a mystery in this Regency romance adventure.Sir Neville Fortescue MP comes from a long line of rakes and hell-raisers-and he’s determined to live a decent life. He certainly doesn’t associate with women like the notoriously unconventional Diana, Duchess of Medbourne.But when Neville and Diana are forced together to help a servant girl, they plunge into a shady world of brothels, plots, and murder. Neville realizes that he has underestimated the beautiful young widow-and his own love of danger and adventure. Could staid Sir Neville be a fit match for the Daring Duchess?