books.google.co.in - Siege warfare was the most brutal form of war in the ancient world. Typically involving whole urban societies, ancient siege warfare often ended in the sack of a city and the massacre or enslavement of entire populations. Assyrian emperors, Alexander the Great, Julius Caesar, and the future Roman emperor...http://books.google.co.in/books/about/Ancient_Siege_Warfare.html?id=FBTesdgIbcsC&utm_source=gb-gplus-shareAncient Siege Warfare
