An unexpected "gift" has arrived for Carol Farley this Christmas: an envelope with no return address containing a newspaper clipping. Blurred but unmistakable is a photo of a man missing for years and feared dead--Carol's father. It is a summons calling her to a world she has never known, to a place of ancient majesty and blood-chilling terror. Surrounded by towering pyramids on Mexico City's Walk of the Dead, a frightened yet resolute young woman...