Tracing devotion to Mary to psychological and historical processes that began in the fifth century, Michael Carroll answers intriguing questions: What explains the many reports of Marian apparitions over the centuries? Why is Mary both "e;Virgin"e; and "e;Mother"e; simultaneously? Why has the Marian cult always been stronger in certain geographical areas than in others? The first half of the book presents a psychoanalytic explanation for the most salient facts about the Marian cult and the second addresses the question of Marian apparitions.