to do so. Wherever you may be, remain there. This is necessary to avoid confusion and to have as many as possible in known locations for future instructions. I repeat: you will not leave your compartments." The speaker cut off. She stood without moving and heard again the words: I am the Constellation's only surviving officer.... The Gerns had killed her father. He had been second-in-command of the Dunbar expedition p. 7 that had discovered the world of Athena and his knowledge of Athena was valuable to the colonization plans. He had been quartered among the ship's officers—and the Gern blast had destroyed that section of the ship. p. 7 She sat down on the edge of the bed again and tried to reorient herself; to accept the fact that her life and the lives of all the others had abruptly, irrevocably, been changed. The Athena Colonization Plan was ended. They had known such a thing might happen—that was why the Constellation had been made ready for the voyage in secret and had waited for months for the chance to slip through the ring of Gern spy ships; that was why she had raced at full speed, with her communicators silenced so there would be no radiations for the Gerns to find her by. Only forty days more would have brought them to the green and virgin world of Athena, four hundred light-years beyond the outermost boundary of the Gern Empire. There they should have been safe from Gern detection for many years to come; for long enough to build planetary defenses against attack. And there they would have used Athena's rich resources to make ships and weapons to defend mineral-depleted Earth against the inexorably increasing inclosure of the mighty, coldly calculating colossus that was the Gern Empire. Success or failure of the Athena Plan had meant ultimate life or death for Earth. They had taken every precaution possible but the Gern spy system had somehow learned of Athena and the Constellation. Now, the cold war was no longer cold and the Plan was dust.... Billy sighed and stirred in the little-boy sleep that had not been broken by the blasts that had altered the lives of eight thousand people and the fate of a world. She shook his shoulder and said, "Billy." He raised up, so small and young to her eyes that the question in her mind was like an anguished prayer: Dear God—what do