Muhammad, and the Shia Imams, was a key factor that brought about the Iranian Revolution of 1979. Subsequent chapters examine respectively both philosophical approaches to the idea of God, and the mystical relationship with God. Conclusion The final chapters examine the notion of the Death of God and the idea of God in a post-modern world. Sources 1993 non-fiction books 20th-century history books History books about religion Religious studies books Works by Karen Armstrong 1993 in religion Alfred A. Knopf books