Devil's Honor — Debra Dier

DEVIL'S KISS
When Isabel Darracott went to London to meet her guardian, the Duke of Marlow, she never expected to be ravished in the library by a half-clad barbarian--or that the rogue would turn out to be the duke himself! Though she found herself devastated by his kisses, prim-and-proper Isabel knew she could not give in to temptation... for he was the devil in a very handsome disguise.

ANGEL'S TOUCH
Known as the Devil of Dartmoor--the most man in London--Justin Trevelyan preferred the company of widows and prostitutes to the charms of innocents. The last thing he needed was this impertinent maiden and her two young sisters under his wardship. Yet from the moment he laid eyes on Isabel, he was captivated by her sweet beauty and somehow needed to protect her as well as possess her. But before he could gain an angel's trust, he'd have to prove his...DEVIL'S HONOR