Mount Tai in northeastern China has long been a sacred site. Indeed, it epitomizes China's religious and social diversity. Throughout history, it has been a magnet for both women and men from all classes--emperors, aristocrats, officials, literati, and villagers. For much of the past millennium, however, the vast majority of pilgrims were illiterate peasants who came to pray for their deceased ancestors, as well as for sons, good fortune, and health...