A book in English helps to explain the concept of polygamy in Islam. It shows that Muslims are not the first nation that encourages this system but there were many nations such as the ancient Christians. Afterward, it shows the legality and conditions of this system and the rights and duties of marriage based on it. Prophet Muhammed: A Proof of His Prophethood and Testament to Truth of His Message Evidences, Proofs and Testimonies on the message of the seal of the Prophets and what he bought forth for the whole of Humankind.