"Khums, An Islamic Tax" by Sayyid Muhammad Rizvi provides a detailed explanation of Khums, one of the fundamental financial obligations in Islam. The book explores the origins, significance, and applications of Khums in Islamic jurisprudence, detailing its role in the economic system of the Muslim community. Rizvi addresses common misconceptions and outlines the moral and ethical implications of paying Khums, emphasizing its importance in promoting social justice and supporting community welfare.