The immediate, reactionary images conjured by the words medieval or Middle Ages are not unfamiliar to anyone who has been exposed to the tales of kings and knights and damsels in distress. The king sits proud and tall on his throne, bathed in the sunlight of glory, surrounded by his faithful subjects. Or perhaps the king is leading his army of knights into battle, each of them astride a noble steed, clad from helm to foot in a suit of armor, gleaming in the daylight.