Mary, the mother of Jesus, is known in the Catholic Church as Our Lady of Grace, Our Lady of Fatima, Our Lady of Mount Carmel, Our Lady of Sorrows, Our Lady of Guadalupe, Our Lady of Lourdes, Our Lady of the Rosary, Our Mother of Perpetual Help, and more. Her various titles describe her various functions within the Church. Many books on Mariology, the study or doctrine relating to the Virgin Mary, either treat the liturgical aspects or the devotional...