The intellectual Ismailia.. origin, conflict, and survival

What is the ideological Ismailism, and where did it originate from; and who are its prominent advocates; and who believes in it; and where has it reached today? In this book, the writer Ibrahim Al-Makrami answers these questions and more, in an attempt to read the mental and doctrinal structures of this group in a modern style that addresses its most controversial issues in origin, spread, and development, and we follow the main obstacles faced by this group from intimidation, displacement, takfir, killing, and destruction of their offices until it split and became scattered across the world; then he presents the opinions of the most important Western and Arab thinkers on the Ismaili invitation. The author says: The term Ismaili dates back to Ismail ibn Jaafar Al-Sadiq, the eldest son and the seventh Imam from the chain of Imams of the family of the Messenger of Allah, peace be upon him. He was hidden by his father during his lifetime from the Abbasids, specifically Abu Jafar Al-Mansur (136 AH), who knew of their seriousness in eliminating the lineage of the family of the Messenger of Allah, peace be upon him. After this event, the Imams of the Ismailis, having taken this step, turned to travel, conceal their identity, and work on spreading their invitation with precise organization. They focused their efforts on spreading their call throughout many parts of the Islamic world. The invitation faced difficult and oppressive circumstances, especially after the Abbasids' surveillance and their crackdown on this secret movement, which they considered one of the biggest sources of danger to overthrow their Abbasid state. This struggle continued even after the appearance of the Fatimid state and its fall in 556 AH at the hands of Salah al-Din al-Ayyubi...