"God Calls" is for Christians who already have a life of prayer.

This book, whose authors chose anonymity - as the author of "The Imitation of Christ" - is a real spiritual guide at a time when the "religious" but proliferates when true companions on the path of holiness are scarce.
As from 14 em century, the spirit of modernity raises the spirit of devotion moderna seeking God in the Imitation of Jesus Christ by the way of personal holiness and sacramental not exclusively, as a new spirit of independence from dogma spurs Christians to give up their own wisdom in the way they lead their lives, and to find in this book of guidance and advice inspired by the spirit of the Gospel.