"That is your problem," the whisperer said. "But you must dispose of him immediately, do you understand?" "Is that an order?" "That is an order," the Eye whispered grimly, and broke the connection. Black Hood hung up quietly. Then crouching low, he crossed the room to where the strainer top of the sewer drain was placed in the concrete floor. It was in this room that Delancy's get-away car had changed paint jobs, and in about ten minutes. How was such a thing possible? He dropped to his knees, nerves tense as he lifted the strainer plate. Dove gray particles clung to the sewer opening beneath--particles of some sort of paint that was soluble in water or perhaps live steam. A glint of understanding came into his eyes. Delancy had driven the get-away car into this room. The car actually was not a gray car at all. It was a blue car, the paint covered with this gray, steam soluble substance. All that was necessary to convert the car which Black Hood had been following into a blue car which he certainly would have missed was a good bath of steam. It wouldn't have required more than ten minutes at the outside. A rumbling sound that did not originate in the thunder caps above jerked Black Hood's attention from the drain. His glance darted toward the overhead doors which were dropping swiftly into place. His eyes turned toward the door leading into the service station office. Burkey, the proprietor, was standing at the door, watching Black Hood through the glass. There was a diabolical grin on the face of the station owner. Black Hood straightened as the overhead doors fell into place and locked. He took two long, springy strides toward the door. But he never quite reached that door. With an explosive hiss, gray jets of live steam erupted from pipes around the edge of the room. Scalding steam that could burn and blister and boil human flesh. Black Hood fell back from the door, staggered by his first contact with that hissing gray hell. He threw back his head, looked above at steam pipes that criss-crossed overhead. And then Burkey manipulated the valve that controled the overhead pipes, and the steam poured down upon Black Hood from above. He couldn't see now, because of the steam. He dared not open his eyes lest the heat blind him permanently. But in that brief glimpse upward, Black Hood had marked the location of one of the steam pipes. He crouched, nerves and muscles tense, controled in spite of the torturous cloud of scalding vapor that pressed close to him. Suddenly, he unleashed all the pent-up power of flexed legs, leaped into the air, one gauntlet protected hand out-thrust for the pipe which he knew was there even if he could not see it. Fingers grasped, held like steel hooks. He drew himself up with one powerful arm until his other hand could join its mate.