This book is considered one of the most important books of history in the twelfth and thirteenth century AH, if it is not considered the only authentic source that describes Egypt without the universe to a ruler or bias to a person. Abd al -Rahman al -Jabarti says in the introduction: (I was black papers in the incidents of the last twelfth century and the following from the early thirteenth in which we were in which I collected some total and other detailed facts and the most likely we realized and things we saw and went within it as precedents and from the mouths of the Sheikha I received And some of the translations of the famous notables, including scholars and princes, who were mentioned and mentioned from their news and conditions, and some of their birth and deaths dates, so I liked to collect them and restrict their ions in consistent papers arranged in the years and years to facilitate the student of the Prophet to review and benefit from the benefit).