House of Night is a series of young adult vampire-themed fantasy novels by American author P. C. Cast and her daughter Kristin Cast. It follows the adventures of Zoey Redbird, a 16-year-old girl who is "marked", becomes a fledgling vampyre and is required to attend the House of Night boarding school in Tulsa, Oklahoma. Books in the series have been on the New York Times Best Seller list for 63 weeks and have sold over seven million copies in North America, and more than ten million books worldwide, in 39 countries.

Tulsa is the second-largest city in the state of Oklahoma. It has many diverse neighborhoods due to its size.