The Mother of Christ is a key subject of the Christian faith. This book aims to offer an introduction to the Church's rich theological reflection on the Blessed Virgin Mary. The text draws from a broad range of the Church's Tradition, including Sacred Scripture, the Fathers of the Church, and Ecumenical Councils to illuminate the principal truths regarding the Mother of God. Topics include Mary's divine motherhood, the Immaculate Conception, the Assumption, Mary's cooperation in Christ's redemptive work, as well as St. Joseph.