A bestselling fantasy author, she is particularly known for her Georgina Kincaid, Vampire Academy, and Dark Swan book series. Her other works include the Bloodlines books and the Age of X series. She received degrees from three universities: the University of Michigan (BA), Western Michigan University (MA), and the University of Washington (MAT). She published her first Georgina Kincaid novel, Succubus Blues, in early 2007.