It is a book on history, written by the Arab thinker Ahmed Amin, dealing with the intellectual and civilizational march of the Islamic nation, since the pre -Islamic era, in which he talked about the Arabs in pre -Islamic, especially the Arabian Peninsula, and the contact of the Arabs with their neighboring nations, then the nature of the Arab mentality, and the life of this mentality. He then moved to talk about Islam, and between pre -Islamic and Islam was its first axis, then the Islamic conquest and the process of mixing nations. What led him to talk about the Persians and their effect on the next part, referring to the religion of the Persians, and their literature. Then he addressed the Greek-Roman influence on Islamic thought, talking about Greek philosophy, Greek, Roman and Christian literature as well. The book dealt with the scientific movement, the religious movement as well, and it has been detailed in it, towards the Noble Qur''an and its interpretation, and the honorable hadith, and legislation. In his last part, he spoke about religious difference: Kharijites, Shiites, Marjana, Al -Qadriya or Mu''tazila. It was necessary to date, as the extension of the Islamic conquests in the forefront of Islam to a large geographical area, which made it a complex march, represented by interference and mixing of civilizations and previous religions.
