Civilizations change when the paradigms that govern them change. Humans relate to themselves and to each other through transcendental values firmly imbedded in basic frameworks. These values define how a society looks upon itself, how it interacts with other societies and its place in history. For instance, in the Middle Ages, most people believed that the earth was flat. The paradigm of a flat...

Africa, alone among the continents, has a majority Muslim population. Africa gave the Islamic world its first muezzin, Bilal ibn Rabah. It was home to its greatest historian, Ibn Khaldun and the birthplace of its best-known traveler, Ibn Batuta. It produced one of its few genuine mass movements, the Murabitun movement and provided the manpower for the injection of Muslim political military...

More than a thousand years before modern nations established cloak and dagger intelligence agencies, the art of political assassination was perfected in West Asia. The architect of this art was Hassan al Sabbah, a shadowy character shrouded in exotic mystery about whom as much information has come down to us as misinformation. The Seljuks tilted the internal balance of power within the Islamic...