A masterful, multilayered history of Christianity. The Christian World is a chronicle of one of the great belief systems and its many followers. It's a magnificent story of emperors and kings, war and geography, theology and politics, saints and sinners, and the earthly battle to save souls. Above all, it's a remarkable testament to the teachings of Christ and how his message spreads around the globe to touch human experience everywhere.  (REL48, $16.00)