She was expecting him to use some sort of electronic device—the sort of thing the Diggers lumped together under the heading of "radio"—but instead Ty rolled up to a seated position, bolted out of the shelter, and simply walked down the beach, hopping and cursing as his bare feet unerringly found stones. "Turn the light on!" he shouted. He cupped his hands around his mouth. "Hey! Turn the light on!" In this quiet cove, his words were loud as dynamite. Kathree heard some kind of answering shout from the direction of the barge. And from the boulder, a hissing noise. "Shh! Shh!" She thought it was waves surging against the stone until the flynk chain began to glow, illuminating Sonar Taxlaw, who had stood up and turned around to face them. She was shushing them with a finger pressed against her lips. "Shh, be quiet!" she insisted.