A shouting wave of men rioted through the engine room. From the bridge above the hulking atomics, Chief Engineer Durval vollied orders in a thunderous voice. "You men—you!" he raged. "Use your heads, not your feet. Drive them toward the door." A scattering of Them—compact darting beasts the color of a poppy—scuttled into the shadow of an engine. Heavy Davison wrenches clubbed futilely. This etext was produced from Planet Stories January 1954. Extensive research did not uncover any evidence that the . copyright on this publication was renewed