Ross, absorbed in the scene before him, was not prepared for the sudden and complete darkness which blotted out not only the action but the light in his own room as well. “What—?” His startled voice rang loudly in his ears, too loudly, for all sound had been wiped out with the light. The faint swish of the ventilating system, of which he had not been actively aware until it had disappeared, was also missing. A trace of the same panic he had known in the cockpit of the atomjet tingled along his nerves. But this time he could meet the unknown with action. Ross slowly moved through the dark, his hands outstretched before him to ward off contact with the wall. He was determined that somehow he would discover the hidden door, escape from this dark cell.… There! His palm struck flat against a

