Shadowheart - Shadowmarch, Bk 4 Author:Tad Williams Southmarch Castle is about to be caught between two implacable enemies, the ancient, immortal Qar and the insane god-king, the Autarch of Xis. Meanwhile, its two young defenders, Princess Briony and Prince Barrick, are both trapped far away from home and fighting for their lives. — And now, something is awakening underneath Southmarch Castle, som... more »ething powerful and terrible that the world has not seen for thousands of years. Can Barrick and Briony, along with a tiny handful of allies, ordinary and extraordinary, find a way to save their world and prevent the rise of a terrible new age-an age of unending darkness?« less