Al-Siyasa al-Shar'iyya fi Islah al-Ra'i wa al-Ra'iyya

Al-Siyasa al-Shar'iyya fi Islah al-Ra'i wa al-Ra'iyya (meaning: The politics or policy of the Shariah (Islam) in purifying the ruler and the ruled) is a book written by Ibn Taymiyyah which he wrote about political aspects of Islam in the form of a letter to a guardian of Islamic authority. It covered what a Muslim ruler should do in fulfilling his trust and ruling among the people justly within the limits of Islamic law.

Source: Wikipedia — Al-Siyasa al-Shar'iyya fi Islah al-Ra'i wa al-Ra'iyya (CC BY-SA 4.0)