Tao is learning to be a dragonkeeper. With no one to teach him it is not easy. He must keep Kai safe but there is danger at every turn a gang of murderous nomads, a giant seven-headed snake and, most terrifying of all, a ghost who can turn blood into ice. Tao knows he must prove he is truly worthy of the name dragonkeeper. But the road west is never straight and nothing for Tao and Kai is what it seems. Shadow Sister is the fifth novel in the internationally bestselling and award-winning Dragonk