Since he inherited a dukedom, all Declan seems to do is put out fires. The latest? Deterring his cousin from chasing a reprehensible woman. Except Grace Nayao Richards is far from reprehensible, and the young woman draws Declan closer. As the illegitimate daughter of an earl, Grace needs an advantageous marriage to protect her and her sister's futures. The handsome duke's solution? A fake courtship with him to increase her popularity among the ton. But as he teaches her to navigate London society, it's her dangerously attractive guide she desires!