In a cold voice Luhor called names from a list in his hand. His huge purple orbs inspected each man to step forward, then he waved them toward the ladder. Aladdo was first, and Mark's heart leaped as the Venusian scrambled up the weaving ladder, grasping the metal rungs with fragile hands. One by one, fifteen convicts were called. Mark was among the last, and he heard Luhor ordering the remaining convicts into the swamp. Two disobeyed and leaped forward desperately. Luhor's atom-blast spat, one man dropped in his tracks and the other went scrambling back. Cries, imprecations, curses and pleadings dwindled as the men retreated to the mud. It was then that Luhor himself began to ascend the rungs, as the ladder was slowly pulled up. A rush of maddened convicts clawed at empty air as the stai

