The "House of Night" series is a young adult fantasy book series written by P.C. Cast and her daughter Kristin Cast. It follows the story of a teenage girl named Zoey Redbird, who is marked to become a vampire and must attend a special school called the House of Night. The series explores themes of friendship, love, and self-discovery as Zoey navigates her new life and the challenges that come with it. Set in a world where vampires coexist with humans, the series features various supernatural elements, including magic and mythology. Throughout the books, Zoey and her friends face conflicts with other vampires, dark forces, and their own personal struggles. The series consists of multiple novels, each contributing to the overarching narrative of Zoey's journey and the complexities of her new reality.