A theological and historical work by French Catholic Henri Daniel-Rops, he explores the figure of the Virgin Mary, exploring her historical and theological foundations through Scripture, apocryphal texts, and the Church Fathers. The work seeks to address the puzzle of how Mary, mentioned only briefly in Scripture (as in the Gospels of Matthew and Luke), could become the center of universal devotion in Christianity. The author outlines what we truly know about Mary from historical records. He traces the life of this humble girl from Nazareth, her calling as the Mother of God, her role during Jesus' ministry, and her final years in early Christianity. Because the biblical record is so brief, many popular details about Mary's childhood, her parents (Joachim and Anne), and her youth come from apocryphal literature. The author critically analyzes these texts to separate elements of popular imagination from doctrinal truth. The book examines how the theology of Mary developed throughout the centuries under the influence of the Church Fathers. Daniel-Rops explains how the Marian Dogma is rooted in and consistent with the teachings of the Christian faith as a whole. The final section of the book frequently includes a compilation of source documents, including quotations from canonical scripture, texts from the early Church Fathers (Patristics), and important passages from apocryphal literature. The book serves as an accessible guide for laypeople to the historical and spiritual foundations of Marianism. The author's approach seeks to honor the historical witness while simultaneously exploring how Church Tradition has enriched the faithful's understanding of Mary.