In Megan Frampton's captivating new Dukes Behaving Badly novel, we learn the answer to the question: Why do dukes fall in love? Michael, the Duke of Hadlow, has the liberty of enjoying an indiscretion . . . or several. But when it comes time for him to take a proper bride, he ultimately realizes he wants only one woman: Edwina Cheltam. He'd hired her as his secretary, only to quickly discover she was sensuous and intelligent. They...