Who would you say are amongst the best authors on the caliphate (khilafah)?

There are many authors who have written extensively on the subject of the caliphate, or khilafah, in Islam. Some of the better known authors on this topic include: Al-Mawardi: Abu al-Hasan Ali ibn Muhammad ibn Habib al-Mawardi was a 10th century jurist and theologian who wrote extensively on the subject of the caliphate. His book, "al-Ahkam al-Sultaniyyah," is considered a classic work on the theory and practice of Islamic governance. Ibn Khaldun: Abu Zayd Abd al-Rahman ibn Muhammad ibn Khaldun was a 14th century historian and sociologist who wrote about the principles of Islamic governance in his book, "Muqaddimah." He is considered one of the most influential Muslim scholars in the field of political science. Sayyid Qutb: Sayyid Qutb was an Egyptian scholar and political theorist who wrote about the importance of the caliphate in his book, "Milestones." His work has had a significant influence on the modern Islamic revival movement. Abu Muhammad al-Maqdisi: Abu Muhammad al-Maqdisi is a contemporary scholar and author who has written extensively on the subject of the caliphate. His book, "al-Jihad fi al-Islam," discusses the importance of the caliphate in the modern Muslim world. Abu Abdullah al-Muhajir: Abu Abdullah al-Muhajir is a contemporary scholar who has written about the importance of the caliphate in the modern Muslim world. His book, "The Methodology of the Islamic State," discusses the principles of Islamic governance and the role of the caliphate in promoting justice and stability in society. Ali Abd al-Raziq: Ali Abd al-Raziq was an Egyptian scholar who wrote against the importance of the caliphate in his book, "Islam and the Foundations of Governance." His work has had a significant influence on the modern Islamic revival movement. He was condemned by leading professors of his era and stripped of his scholarship. Taqi al-Din al-Nabhani: Taqi al-Din al-Nabhani is a contemporary Palestinian scholar, judge and author who passed away in 1977, who has written extensively on the subject of the caliphate. His books include "The System of Islam" and "The Ruling System of Islam" which discuss the shape, form and principles of Islamic governance and the role of the caliphate in reviving the Muslim ummah. References Al-Mawardi, A. (1996). Al-Ahkam al-Sultaniyyah. Beirut: Dar al-Fikr. Ibn Khaldun, A. Z. A. R. M. (1967). Muqaddimah: An introduction to history. Princeton University Press. Qutb, S. (2006). Milestones. Dar al-Shuruq. Al-Maqdisi, A. M. (1999). Al-Jihad fi al-Islam. Dar al-Watan. Al-Muhajir, A. A. (2015). The methodology of the Islamic state. Al-Furqan Foundation. Abd al-Raziq, A. (1925). Islam and the foundations of governance. Cairo: Matba'at al-Manar. Al-NAbhani, T. (1952). The system of Islam; The ruling system of Islam. Khilafah Publications.