may be antennae, for radiating and receiving waves, either of thought or a form of radio. It may be thus that they communicate, so knock off the helmet at once if you attempt a capture, or if we're discovered." "You are a shrewd cookie," said Trace thoughtfully. "Okay, will do. Now let's get the lead out." The town had been a small place, with one drug store, one theater, half a dozen stores. The men prowled all round the heart of it, and Trace said, "Here's something funny. They haven't shown any curiosity—the theater's still locked up tight, like it must have been on Sunday when the attack was made on the cities. How come? Don't they want to check on what a building like this is used for? They don't seem to have pried into much of anything." "Maybe they're not interested in us," said Bill. "Maybe they don't give a whoop for what we've done and how we've progressed. What if they considered themselves so superior to us that they thought we had nothing to teach them? Then they wouldn't pry into our heritage and culture. They'd just obliterate us." "And why bother to obliterate us?" asked Slough. "Lot of answers to that," said Trace briefly. "Meanness, desire for sense of power, what have you. Let's nail one and drag tail." He led them past the movie house, and gestured at an orange light approaching. "That one." "Don't forget the helmet," urged Slough. "Take it easy, Mac," said Trace huskily. They went to ground behind evergreen shrubs on the lawn of a funeral parlor. The tall creature neared them, his horny feet with their heavy pads making little noise on the cement. He passed, and Trace launched himself at the broad back, feeling joy wash through him in a heady wave at the first action since his attack on the flag-planter. He struck the alien with all the weight and power of his two hundred pounds, expecting it to pitch forward on its face. It did nothing of the sort. It staggered one step, stiffened, whirled on him. He clutched wildly for a grip, but the stonewall character of this great beast had thrown off his timing. The thing hit him in the face with a forearm. Trace reeled back and fell into a pine tree. Bill Blacknight leaped on the one-eye even as Trace was hurled away, and darting up one long arm, the magician hit the helmet with the tips of his fingers. In a flash the dexterous hand found the edge of the metal