Shards of Earth by Adrian Tchaikovsky

AD 573. Imprisoned in her chamber, Languoreth awaits news in torment. Her husband and son have ridden off to wage war against her brother, Lailoken. She doesn’t yet know that her young daughter, Angharad, who was training with Lailoken to become a Wisdom Keeper, has been lost in the chaos. As one of the bloodiest battles of early medieval Scottish history scatters its survivors to the wind, Lailoken and his men must flee to exile in the mountains of the Lowlands, while nine-year-old Angharad must summon all Lailoken has taught her and follow her own destiny through the…. Read more.