The book presents all the different school of Hanafi theology in the field of authentication and testing the prophetic narrations. The author has included the fruits of his acedemic research which he has started in 1998, not only limiting his study in the published books but also in the manuscripts which are kept in the libraries of different countries (Muslim and Non-Muslim). The reader will see and enjoy the depth of the multiple schools within Hanafi theology. WRITTEN IN BOTH ARABIC AND ENGLISH