Secret Mistress / Mary Balogh 320 p. Last in the Series

Being the sister of two rakish brothers and the daughter of another drives Lady Angeline Dudley to long for a kind and simple husband.  She tumbles head of heels for Edward Ailsbury, Earl of Heywood, at their first rather unusual meeting, read not proper for noble women, where he acts like a very proper gentleman.  This complements others in the Mistress  series (More than a Mistress, and No Man's Mistress).  She is unaware of his name until they meet on the dance floor for her opening set of her coming out ball.  She is on his family's short list of very eligible prospective brides.  Hurdles appear, he has formed an attachment to a steadfast friend, daughter to his college don--she's comfortable.  This growing enjoyment of Lady Angeline's company unsettles him as he doesn't seem to believe in love.  His first proposal falls flat because he feels he must since he "compromised" her and doesn't tell her she is his love.  A sensual romance.