The book is considered a rarely original source in the history of a Fatimid era from the history of Egypt for eighty -two years, in which it was translated for four hundred and twenty between an updated, Hafiz, a reader, a scientist and a minister. It starts from the tenth year of the days of Aziz Nizar Al -Fatimi, then the ruler by the command of God, then his apparent son to cherish the religion of God, then Al -Mustansir to God.