“Well,” O’Neill said unsteadily, “we did it. We can start back home.” His legs felt weak. “Where’s our vehicle?”

As he gunned the truck motor, something flashed a long way off, something large and metallic, moving over the dead slag and ash. It was a dense clot of carts, a solid expanse of heavy-duty ore carriers racing to the scene. Which factory were they from?

It didn’t matter, for out of the thick tangle of black dripping vines, a web of counter-extensions was creeping to meet them. Both factories were assembling their mobile units. From all directions, bugs slithered and crept, closing in around the remaining heap of tungsten. Neither factory was going to let needed raw material get away; neither was going to give up its find. Blindly, mechanically, in the grip of inflexible directives, the two opponents labored to assemble superior forces.

“Come on,” Morrison said urgently. “Let’s get out of here. All hell is bursting loose.”

O’Neill hastily turned the truck in the direction of the settlement. They began rumbling through the darkness on their way back. Every now and then, a metallic shape shot by them, going in the opposite direction.

“Did you see the load in that last cart?” Ferine asked, worried. “It wasn’t empty.”

Neither were the carts that followed it, a whole procession of bulging supply carriers directed by an elaborate high-level surveying unit.

“Guns,” Morrison said, eyes wide with apprehension. “They’re taking in weapons. But who’s going to use them?”

“They are,” O’Neill answered. He indicated a movement to their right. “Look over there. This is something we hadn’t expected.”

They were seeing the first factory representative move into action.

As the truck pulled into the Kansas City settlement, Judith hurried breathlessly toward them. Fluttering in her hand was a strip of metal-foil paper.