"Marked" is a young adult novel by Kristin Cast and P. C. Cast, published by St. Martin's Press in 2007. It is part of the House of Night Novels series and falls under the genres of fantasy, magic, and the supernatural. The book follows the story of a young girl named Zoey Redwing who discovers that she is a rare being with unique abilities. With 320 pages, this trade paperback novel is written in English and appeals to teenage and young adult readers interested in paranormal and magical themes.