Father Richard Munkelt shows that the Islamic world had a rich philosophical history in the Middle Ages, including thinkers who worked with theologians and Sufi mystics and others who posed major problems for the Faith of Allah. Moslem schools of thought often also provided a framework for social life and political action. Father Munkelt discusses the different Moslem philosophers and their attitude towards the relationship of Faith and Reason, showing how they relate to the idea of Holy War.