"Khums: An Islamic Tax" is a concise yet comprehensive book authored by Sayyid Muhammad Rizvi, addressing the Islamic obligation of khums, a 20% tax on certain types of wealth. This revised edition, first published in 1984, aims to clarify the religious, legal, and practical aspects of khums, especially for Shi‘a Muslims living in the West. Drawing from the Qur’an, Hadith, and insights from Ahlul Bayt, the book explains the origins, applications, and distribution of khums as a vital component of the Islamic economic system.










