The present piece is a treatise on one of the greatest Biblical principles on which the life and well-being of human beings on earth depend: prayer. In this book, the man of God apostle Onório Cutane, inspired by the Holy Spirit, brings profound revelations and valuable teachings about prayer: from the concept, importance, principles, and typology. The detailed explanation and contextual examples will help the reader to pray the right way and receive answers to his prayers. God wants to answer them, and the man of God explains how the reader can make this possible. Furthermore, this book presents the ABCs of prayer in a very understandable way with practical guidelines and steps. It's a practical guide on how to pray according to God's will. Dive into the deepest divine intimacy and program your spirit for the highest flights with God's Spirit. Learn biblical principles by which you can pray effective prayers and obtain positive results for yourself and humankind's good.