A usurer not only commits a forbidden act, but also declares war with Allah, the Exalted. Interest has become the bane of our society. Attempts are being made to legitimize it with various pretexts. While on the one hand, some people want to practice usury through gossip, there are many scholars who have pain in their hearts to inform about its worldly and hereafter losses. The well-known scholar of the Arab world, Dr. Saeed bin Ali bin Wahf Qahtani, who is the author of many books and timely writing on important topics is his specialty. In the book under his review, he has informed about the religious and worldly harms of usury in the light of the Book and Sunnah in a common sense manner.