CHAPTER 21Infection Spreading And that was when the last defense of all went down. There was a blazing flash of crimson that seemed to lick every corner of the room. It died and the white-lit air trembled a little in its wake. But only for an instant. Then, from somewhere outside, a spear of red light drove at us and, almost concurrently, a steel piston, ten feet thick, shot out like a battering-ram after it. I had a single glimpse of that blank solid-steel muzzle rushing forward like a Titan’s fist—then it crashed through the wall of the building, with a thunderous impact and a shriek of torn and twisted metal, and ripped an irresistible path through the great girders. It halted. That cylinder of metal must have been more than half a mile long. Thirty feet of it extended through the r

