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Blurb: “The Earth is chill... Only a small artificial sun, renewed every five years, stands be tween mankind and utter extinction. For a strange planet, lumberingly guided by the mysterious entities known as Pyramids, has stolen Earth from its orbit and dragged it out into the cold reaches of space.
And alone among the decimated human race, Glenn Tropile finds himself in a position to do something about it. How he does it is a story whose blazing pages reveal the full talents of those masters of science fiction, C. M. Kornbluth and Frederik Pohl.”