They aroused Dave Lester and Helen Rodan, helped them armor up, explained briefly what the situation was, stuffed Xavier Rodan into his Archer, and climbed with him into the sealable cab of the tractor. Here they could all remove their helmets.

After several hours of bumping over rugged country, with the tractor's headlights blazing through the star-topped blackness, they reached a solid trail over a mare. Then they could zip along, almost like on a highway. There were other rough stretches, but most of the well selected route was smooth. Half the time, Nelsen drove, while Gimp rested or slept. They ate spaceman's gruel, heated on a little electric stove. And after a certain number of hours, they climbed over the side of the Moon, and made their own sunrise. After that, the going seemed easier.

Gimp and Frank were just about talked out, by then. Helen Rodan looked after her slumbering father. Otherwise, she and Lester seemed wrapped up in each other. Frank hardly listened to the few words they exchanged. They kept peering [p. 76] eagerly and worriedly along the trail, that wound past fantastic scenery.

Nelsen was eager and tense, himself. Serene, he was thinking with gratitude. Back to some of civilization. Back to freedom—if there wasn't too much trouble on account of all that had happened. Speeding along, they passed the first scattered domes, a hydroponic garden, an isolated sun-power plant.

It was another hour before they reached the checking-gate of one of the main airlocks. Frank Nelsen didn't try any tricks before the white-armored international guards.

"There have been some difficulties," he said. "I think you will want all of our names."

"I am Helen Rodan," Helen interrupted. "My father, Xavier Rodan, here, is sick. He needs a hospital. I will stay with him. These are our friends. They brought us all the way from Far Side."

Within the broad airlock compartment, Lester also got down from the tractor. "I'll stay, too," he said. "Go ahead, Frank. You and Gimp have had enough."

"A moment," gruffed one of the guards with a slight accent. "We shall say who shall do what—passing this lock. Difficulties? Very well. Names, and space-fitness cards, please, from everybody. And where you will be staying, here in Serene..."

Gimp and Frank got permission to pass the lock after about fifteen minutes. Without Helen and Les agreeing to stay, it might have been tougher. They spoke their thanks. For the time being, Frank was free to breathe open air under big, stellene domes. But he didn't know in what web of questioning and accusation he might soon be entangled.