The trouble with dukes.
(Book)

"The gossips whisper that the new Duke of Murdoch is a brute, a murderer, and even worse--a Scot. They say he should never be trusted alone with a woman. But Megan Windham sees in Hamish something different, someone different. No one was fiercer at war than Hamish MacHugh, though now the soldier faces a whole new battlefield: a London Season. To make his sisters happy, he'll take on any challenge--even letting their friend Miss Windham teach him to waltz. Megan isn't the least bit intimidated by his dark reputation, but Hamish senses that she's fighting battles of her own. For her, he'll become the warrior once more, and for her, he might just lose his heart"--Page 4 of cover.