This book presents a path to deep faith and sanctification through the practice of complete inner devotion to the Virgin Mary.
Friends of the Cross are included.
Part 1, Devotion to the Blessed Virgin Mary, deals with the necessity of devotion to Mary, the basic truths of devotion, and the marks of correct devotion.
Part 2, Perfect Devotion to the Blessed Virgin Mary, contains the essence of perfect devotion to Mary, the motives for perfect consecration, the seven wonderful effects of this devotion, and the unique practices of this devotion, and finally, 14 letters to the Friends of the Cross.

Through this book, many will discover that true devotion to Mary lies in an inner way of life, and by penetrating this core and practicing devotion truthfully and faithfully, they will realize that the Holy Spirit will lead them from virtue to virtue, from grace to grace, and from light to light, leading them to be transformed into Christ.