Returning to these records of a dreamer from another era, is the first book to examine Lucrecia's dreams as dreams, as accurate reports of psychological experiences with roots in the brain's natural cycles of activity during sleep. Using methods from the cognitive science of religion, dream researcher Kelly Bulkeley finds meaningful patterns in Lucrecia's dreaming prophecies and sheds new light on the infinitely puzzling question at the center of her trial, a question that has vexed all religious traditions throughout history: How can we determine if a dream is, or is not, a true revelation?