Dr. Clayton's face was impassive as a marble mask when he turned to young Corelli. For a moment, the little group stood there in embarrassed silence in the classroom, shifting uneasily from one foot to the other, feigning interest in the paperweights upon Clayton's desk, or in the utterly uninspiring scenes on the sidewalk outside the window. "You say, Corelli, that you saw three—er, Martian—ships. Can you describe them?" Corelli blinked as he felt the weight of his colleagues' eyes boring into