Amazon.com description: Product Description: We ought to scrape this planet clean of every living thing on it,” muttered Umbo Stetson, section chief of Investigation & Adjustment. Stetson paced the landing control bridge of his scout cruiser. His footsteps grated on a floor that was the rear wall of the bridge during flight. But now the ship rested on its tail fins—all four hundred glistening red and black meters of it. The open ports of the bridge looked out on the jungle roof of Gienah III some one hundred fifty meters below. A butter yellow sun hung above the horizon, perhaps an hour from setting.