He struck out, startlingly fast for such a big man. MacVickers shrank aside. The fist grazed past his head, tearing his ear. He crouched and went in, trying for a fast body-blow and a sidestep. He'd forgotten the glimmering sheathe. His fist struck Birek on the mark, and it was like striking glass that didn't shatter. The pain shot up his arm, numbing, slowing, sickening. Blood spattered out from his knuckles. Birek's right swept in, across the side of his head. MacVickers went down, on his right side. Birek put a foot in the small of his back. "Down," he said. "Grovel." MacVickers twisted under the foot, snarling. He brought up his own feet, viciously, with all his strength. The pain of impact made him whimper, but Birek staggered back, thrown off balance. There was no sign of hurt i

