Why did men no longer journey forth to see their world? Falk wondered, sitting by his campfire that burned like a tiny opal in the vast blue vault of the prairie twilight. Why did such men as Zove and Metock hide in the woods, never once in their lives coming out to see the wide splendor of the Earth? He now knew something that they, who had taught him everything, did not know: that a man could see his planet turn among the stars.…

