<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> In the revised and updated edition of his highly praised textbook on the Middle Ages, Harald Müller defines and delineates the Medieval era, shedding light on living conditions and world views. He examines patterns of community as well as forms and structures of rule. The textbook also covers communication and culture, the organization and transmission of knowledge, and geographic and social mobility.