The room was sealed as tightly as possible. Haverford had checked it for cracks, made sure the windows were caulked, and now kept constant guard. He was alone. He could never tell when the alien invaders would break through. I must be nearly the last , he thought. It was strange, this feeling of being alone on Earth. But it was probably true. The aliens had come six days before. Haverford remembered picking up their ultimatum on his ham set:— EARTHMEN, THE LANTHAII ARE COMING. BEWARE! That was a