The Unhewn Throne is a fantasy book series written by Brian Staveley. It is set in a world where gods and mortals interact, and it follows the story of the Annurian Empire, which is on the brink of collapse. The narrative revolves around three siblings, each facing their own challenges and destinies as they navigate political intrigue, war, and the legacy of their family. The series explores themes of power, sacrifice, and the struggle between good and evil. As the characters confront their pasts and the looming threats to their empire, they must also grapple with the influence of ancient forces and the consequences of their choices.