It defines Mary's place in the Church and in the life of Christians, her tittles, her authenticated appearances, her shrines, her relationship to her son Jesus as well as to the Father and to the Holy Spirit. An indispensable book for all who want to obtain a better understanding of Our Lady and true devotion to her.

In addition to references to the Catechism of the Catholic Church placed next to each entry, forty new entries have been included, among which are: