"Night Prince" is a fantasy novel series written by Jeaniene Frost. It follows the story of Vlad Tepesh, a powerful vampire and historical figure often associated with the legend of Dracula. The series explores themes of love, loyalty, and the struggles of immortality, as Vlad navigates his complex relationships and battles against various supernatural threats. The main character, Leila, possesses unique abilities that draw her into Vlad's world. As their relationship develops, they face challenges from enemies and their own pasts. The series combines romance, action, and supernatural elements, appealing to fans of both fantasy and romance genres.