Nicole Jordan 
To Tame a Dangerous Lord: A Rouge Regency Romance [EPUB ebook] 

Dangerously sexy nobleman and former spymaster Rayne Kenyon, Earl of Haviland, has no interest in love. He merely desires an heir to carry on his title and therefore must have a wife. Rayne makes a surprising choice of brides by settling on the plain spinster daughter of a fellow spy who once saved his life. Yet spirited, witty Madeline Ellis proves much more than he bargained for…But who could imagine that a simple marriage of convenience can suddenly be flooded with danger, desire, and unexpected love?