Corpus Earthling

MADNESS ON HIS MIND Paul Cameron heard voices. There were two of them. They were whispering to each other in the bones of his skull, wearily, interminably, making monstrous plans to conquer the Earth . . . Cameron was an educated man, an English professor at a leading university. Was he going insane? Or was he really tuned in somehow on the telepathic conversations of a recon patrol for a terrible Martian invasion? He tried warning the others, but nobody believed him. And then one day the voices stopped for a moment. "Wait," one of them said then. "There's a listener. We've got to get the listener. When you find out who he is, kill him . . . ."