The Mahdi of Allah: The Story of the Dervish Mohammed Ahmed is a book written by Richard A. Bermann. The book is a biographical account of the life of Mohammed Ahmed, who was a Sudanese religious leader and founder of the Mahdist movement. The Mahdist movement was a religious and political movement in Sudan in the late 19th century that aimed to overthrow the Egyptian and British colonial rule in the region.The book traces the life of Mohammed Ahmed...