"Dark Daughters" is a term often associated with the Daughters of the Moon series, a popular young adult fantasy book series by L. M. Alexander. The series follows a group of girls who possess unique powers and are connected to the moon and its phases. They navigate challenges related to friendship, identity, and their supernatural abilities. In the series, the Dark Daughters represent a faction of powerful female characters who embrace their strengths and fight against various adversities. The narrative explores themes of empowerment, self-discovery, and the importance of unity among women, making it a compelling read for young audiences.