1212. The forces of Christendom are on the march again. There is much to avenge. Twenty-five years ago, the Christian army lay slaughtered on the desolate plain of the Horns of Hattin. Mighty Saladin, ruler of the Moslem world, went on to capture Jerusalem, crush the Crusaders and push back the remnants of the Latin empire to a thin line of threatened coastal forts. The Holy Land seemed lost. But now the Pope has called for crusade. Many take the...