内容简介：
Theyave been among us for eons, some watching over us, some lording over us. Guardians and Shepherds are a race divided by ideology, each determined to shape the human race. Two brothers, as different as day and night, learn things about themselves that the rest of the human race can never know, while being thrown headlong into a world they could never have imagined. Discovering the truth behind such mysteries as Stonehenge, vampiresaeven the origin of the human raceabecomes intertwined in their quest to upset the balance of power and prevent The Harvest.