Note
What race had built this stronghold? What unimaginable power were they defending against? Why was it abandoned? There was no answer, all was dead.
But—not quite all.
For in a room above the tomb-like fortress a powerful transmitter beamed its birdlike, fluting sounds toward earth. Near it, on a huge star-map of the universe, with light-years measured by inches, ten tiny red sparks were moving, crawling inexorably toward the center.