"The City of Dusk Series" is a fantasy book series written by Aiden Thomas. It is set in a world where four realms—Light, Darkness, Life, and Death—are governed by powerful families. The story follows the lives of four protagonists, each representing one of the realms, as they navigate their complex relationships and the challenges posed by their world. The series explores themes of identity, power, and the struggle for balance among the realms. As the characters confront their destinies, they must also face external threats that could disrupt the fragile harmony of their universe.