P.C. Cast was born in Watseka, Illinois in 1960. After graduating from high school, she joined the U.S. Air Force. After her tour of duty, she taught English in high school for 15 years before becoming a full-time author. She has written numerous books including the Goddess Summoning series, the Partholon series, and the Divine series. She co-writes the young adult House of Night novels with her daughter Kristin. She has received several awards including the Oklahoma Book Award, Romantic Times Reviewers' Choice Award, the Prism, Holt Medallion, Daphne du Maurier, and the Laurel Wreath.
Kristin Cast was born on November 4, 1986. She co-writes the popular young adult, fantasy/horror House of Night series with her mother, P.C. Cast. She began contributing to the series at age 19. She has stand-alone stories in several anthologies as well as editorial credits.