The book consists of 156 pages of medium size of (13) chapter. Chapter I deals with the historical name for the Christians of Mesopotamia, which was always (Church of the East). In the second chapter, talks about the era of establishment and spread to the advent of Islam. In this chapter the author says, "most likely that Christianity focused first in Edessa, which spread to surrounding towns of Nasibeen and to areas between the two rivers. "
He deals, in the third quarter the Abbasid era and the translation movement which deals with the outstanding role of Christians in transfer of the Greek philosophy, medicine and knowledge into Syriac, and then into Arabic.
The author allocated chapter IV to the Mongols rule and the beginning of contacts with the Christian West, , and during this era " the conditions of Christians were not on a single frequency. Some of the kings accepted Christianity ... and others persecuted Christians and the demolition of churches and monasteries...."
Then devoted a special chapter of the Movement of union with Rome, led by Youhanna Solaca Director of Rabban Hormuz Monastery, which converted to Catholicism, as a reaction to the patriarchal system of inheritance which was passed by the Eastern Nestorian Patriarch Shimon Bermama, as a result of the people complaint of that system, encouraged by Western missionaries. He became the first Patriarch of the Catholic Church of the East in 1553. Thus was formed three Patriarchate series as a result of interlocking unions and defections in Alqush (Iraq) and Qoganis (Turkey) and Amid (Diyarbakir - Turkey).
The book lists in Chapters VI, VII and VIII of the evolutionary history of the Chaldean Church, beside our other churches as well as Syriac and Nestorian.
Chapter IX deals with philosophical - theological schools - which established by our fathers in (Edessa) and (Nasibeen) and (Jndeschabor) and others, and graduated well-known authors, and geniuses such as Bardaisan, St. Ephrem, Ofrahat Hakim, Nursai, Babai and many others.
In Chapter X describes the Eastern theology imprints, and consider it as Fathers, Biblical, devotion, educationally, and Sofia theology.
While in chapter XI he explained rituals and priesthood rituals in the church, then turns in chapter XII to the current institutions of the Chaldean Church as men's and women's monastic, and the priesthood , scholastic colleges and institutes, then the different parishes, and the media of magazines (Mesopotamia) , (Eastern Star) , ( Rabanotha) and also (Christian thought) the common denominator of all communities.
In the final chapter, the author addresses challenges facing the Chaldean in particular and the Iraqi Church in general, diagnoses problems and provide a range of solutions and insights from his point of view.
Translated into Arabic by: Ra’id Michael