Dark Centauri

"My God!" he yelled. "What''s happening now?" Stevens stared. Then he started abruptly to his feet. Even afterwards, when he looked back on the incident, he could never actually decide what really happened. He had a persistent, oddly unshakable memory of a man flowing suddenly into liquid.

Inside the blue and gray uniform of the Interstellar Passenger Service, the man began to melt, to change into...