Doubtless it was an improvement over the mass bombings of innocent city dwellers, and the horror of atomic dusts and sprays. No overwhelming army could sweep, unchecked, over a helpless neighbor. It was fairer, too, for those involved. Equal numbers of men, guns, supplies. Wealth if your side won, and a fair sum if you lost.

The United Nations saw to that. After all the avenues to peaceful settlement had been explored and turned down they finally permitted bloodshed. Much against their better judgement, perhaps.

So he could destroy likeable young Andilians like Neilson.

"Why don't you send up a rocket?" Neilson kidded, his voice coming from a changed direction again. "So I can see you."

"Anything to oblige."

Neilson was circling out around, as though to drive him into a trap or trick him. They were getting back to the primitive now. Soon it would be knives, spears, and deadfalls.

"Come on over and I'll show you Jane's picture, Treb," invited Neilson. He laughed hoarsely. "If we weren't where we are, I'd mean that."

"I know. I feel that way myself sometimes. We've been here alone too long. Hate hasn't lasted."

"Why aren't you a wrongo, Treb?" The young voice was cracked and savage. "Why'd you have to tell me about—Gram and Alse?"

Treb was backing away again, cautiously. He scented a trap. No doubt Neilson's words were sincere, at the moment, but in a second's time he could change into a cold-blooded executioner. He knew. He had seen the gentlest of men suddenly turn killer....