A hungry alien substance has traveled to Earth following a doomed Lunar mission, and it’s consuming everything it touches, leaving behind drifts of gray death. No life form stands a chance, but Clyde Jackson is tougher than most. He’s seen war and he’s been in plenty of foxholes. Now he’s living through the end of the world one day at a time in a panic room that has become his only refuge. It’s only a matter of time before the ventilation fails, and it’ll only take a single gray speck to end it all…

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