P.C. Cast is an American author best known for her work in the young adult fantasy genre. She gained popularity for co-authoring the House of Night series with her daughter, Kristin Cast. The series, which features themes of vampires and coming-of-age, has captivated readers worldwide and has been translated into multiple languages. In addition to the House of Night series, P.C. Cast has written several standalone novels and other series, including the Paranormalcy series. Her writing often incorporates elements of mythology and magic, appealing to fans of fantasy literature.