In the final book in the #1 New York Times bestselling Three Dark Crowns series, an all-out war is brewing--one that will pit sister against sister and dead against undead. After the grim confrontation with Queen Katharine, the rebellion lies in tatters. Jules's legion curse has been unbound, and it is up to Arsinoe to find a cure, even as the responsibility of stopping the ravaging mist lies heavy on her shoulders, and her...