Why should we buy out the time from our busy, hectic Christian lives to have a basic understanding of Islam? Our world, whether we like it or not, has become a melting pot of people from different cultures and backgrounds, including their religions, be it Taoism and Confucianism, Hinduism, Buddhism, Shintoism, or Islamism. We need to know something about the history of the world’s religions, especially Islam, since it is the world’s second-largest religion and the fastest-growing, with its 1.8 billion followers.