Book of the ice

"A stunning new epic fantasy series following a girl who is cast out by her people and must fight with everything she has to survive, set in the same world as Red Sister. In some children, the old blood shows, giving them strength, speed, and mystical power. In the cities of Abeth's Corridor, such children are prized. But on the vast ice plains of Abeth, those traits lead children to burn bright and die young, and the discipline of the priests is...