They climbed in. There was the sound of pumping, which grew fainter. The outer lock-door opened. The moon-jeep rolled outside.

Babs stared with passionate rapture out of a shielded port. There were impossibly jagged stones, preposterously steep cliffs. There had been no weather to remove the sharp edge of anything in a hundred million years. The awkward-seeming vehicle trundled over the lava sea toward the rampart of mighty mountains towering over Lunar City. It reached a steep ascent. It climbed. And the way was remarkably rough and the vehicle springless, but it was nevertheless a cushioned ride. A bump cannot be harsh in light gravity. The vehicle rode as if on wings.

"All right," said Cochrane. "Tell me the worst. What's the trouble with him? Is he the result of six generations of keeping the money in the family? Or is he a freak?"

Holden groaned a little.

"He's practically a stock model of a rich young man without brains enough for a job in the family firm, and too much money for anything else. Fortunately for his family, he didn't react like Johnny Simms—though they're good friends. A hundred years ago, Dabney'd have gone in for the arts. But it's hard to fool yourself that way now. Fifty years ago he'd have gone in for left-wing sociology. But we really are doing the best that can be done with too many people and not enough world. So he went in for science. It's non-competitive. Incapacity doesn't show up. But he has stumbled on something. It sounds really important. It must have been an accident! The only trouble is that it doesn't mean a thing! Yet because he's accomplished more than he ever expected to, he's frustrated because it's not appreciated! What a joke!"

Cochrane said cynically:

"You paint a dark picture, Bill. Are you trying to make this thing into a challenge?"

"You can't make a man famous for discovering something that doesn't matter," said Holden hopelessly. "And this is that!"

"Nothing's impossible to public relations if you spend enough money," Cochrane assured him. "What's this useless triumph of his?"

The jeep bounced over a small cliff and fell gently for half a second and rolled on. Babs beamed.