Very trivial things can go into the weaving of a nest. The human race, for instance— The condensation of the histories of ten thousand races into a text concise enough to fit into a single volume had been a task of unprecedented proportions. There had been times when the Galactic Historian had doubted whether even his renowned abilities were up to the assignment that the Galactic Board of Education had so lightly tossed his way, times when he had thrown up his hands—all five of them—in despair.