sentences:  For three centuries a divine prophecy and a line of warrior queens protected Skala.But the people grew complacent and Erius, a usurper king, claimed his young half-sister's throne.Now plague and drought stalk the land, war with Skala's ancient rival Plenimar drains the country's lifeblood, and to be born female into the royal line has become a death sentence as the king fights to ensure the succession of his only heir, a son.