The green hordes that use these deserted cities seldom occupy more than a few squares about the central plaza, and as they come and go always across the dead sea bottoms that the cities face, it is usually a matter of comparative ease to enter from the hillside. Once within the streets, I kept close in the dense shadows of the walls. At intersections I halted a moment to make sure that none was in sight before I sprang quickly to the shadows of the opposite side. Thus I made the journey to the vicinity of the plaza without detection. As I approached the purlieus of the inhabited portion of the city I was made aware of the proximity of the warriors' quarters by the squealing and grunting of the thoats and zitidars corralled within the hollow courtyards formed by the buildings surrounding e