Born Christine King in California, Feehan is one of fourteen children and mother of eleven. She is married to Richard Feehan.
Feehan has over 40 novels published and is a #1 New York Times best-selling author multiple times. Her books Dark Curse and Dark Slayer both made the New York Times Best Seller list, and all five of her book series have reached the top spot on the list as well. Her debut novel, Dark Prince, published in 1999 won three Paranormal Excellence Awards for Romantic Literature (PEARL) for that year. Since then she has won seven more PEARL awards and has been on numerous bestseller list including those of Publishers Weekly, USA Today, and The New York Times. Feehan has also received a Career Achievement Award from Romantic Times and been nominated for a RITA award from the Romance Writers of America.
Feehan has written her books in series. As of 2021, the "Dark" series consists of 35 titles; the "Drake Sisters Series" consists of seven novels; the "Ghostwalkers" series consists of 17 novels; the "Shadow Rider" series has six volumes; the "Sea Haven" (Sisters of the Heart) series comprises six novels; the "Torpedo Ink" series has seven novels; and the "Leopard" series has 13 titles (as of 2021). She has written other works outside of those series.
In spite of her huge responsibilities as a wife and mother, Feehan writes every day. She has been published in multiple languages and in many formats, including large print, palm pilot, e-book, and hardcover. In October of 2007 her first manga comic, Dark Hunger was released in stores. This was the first ever manga comic released by Berkley Publishing and it made #11 on Publisher’s Weekly Bestseller’s List.