It was the time of sunrise in Ceyce, the White City, placidly beautiful capital of Maccadon, the University World of the Hub. In the Colonial School's sprawling five-mile complex of buildings and tropical parks, the second student shift was headed for breakfast, while a larger part of the fourth shift moved at a more leisurely rate toward their bunks. The school's organized activities were not much affected by the hour, but the big exercise quadrangle was almost deserted for once. Behind the railing of the firing range a young woman stood by herself, gun in hand, waiting for the automatic range monitor to select a new string of targets for release.