She knew the general layout from schoolbooks. She had arrived on the north side—Change Hill. Perhaps a native would have known as much just from the attire of the people, the way they walked. These were comersants, working by day in subterranean offices, ascending to the surface for meals, recreation, and other means of enjoying their wealth. Commerce was, of course, spread all about the habitat ring, and the old centers of Greenwich, Rio, Baghdad, et al. had financial hubs that rivaled, and in some ways eclipsed, Change Hill. But nothing could ever compete with this place for prestige. The wealthiest and most powerful financiers, the up-and-coming traders in places like Greenwich, no matter how well they were doing for themselves, were forever haunted by the thought that they might be missing something on Cradle.