servants and scribes assigned to many specialist tasks was an antithetic and countervailing force to the Egyptian priesthood. The library could serve the political organization of empire in a way that did not interest the priesthood at all. A not-dissimilar rivalry is developing today between the atomic scientists and those who are mainly concerned with power. If we realize that the city as centre was in the first instance an aggregate of threatened villagers, it is then easier for us to grasp how such harassed companies of refugees might fan out into an empire. The city-state as a form was not a response to peaceful commercial development, but a huddling for security amidst anarchy and dissolution. Thus the Greek city-state was a tribal form of inclusive and integral community, quite unlike the specialist cities that grew up as extensions of Roman military expansion. The Greek city-states