A. J. Hackwith is an American author of fantasy and science fiction novels. She is best known for her debut novel, The Library of the Unwritten, which was a New York Times bestseller. Her other works include The Burning Page, The Unconquered City, and The Unspoken Name. Hackwith's writing is characterized by its imaginative world-building, complex characters, and intricate plots. She has been praised for her ability to create immersive and captivating stories that explore themes of identity, morality, and power. Hackwith is a graduate of the Clarion West Writers Workshop and a member of the Science Fiction and Fantasy Writers of America.