Mohammed and Mohammedanism: Critically Considered is a book written by Sigismund Wilhelm Koelle in 1889. The book provides a critical analysis of the life and teachings of the Islamic prophet Muhammad and the religion of Islam. Koelle examines the historical context in which Islam emerged, the Quranic revelations, and the life of Muhammad, as well as the beliefs and practices of Muslims. The author also compares Islam with Christianity and other religions,...