expected to go flying off like a kangaroo. Is it artificial?"

"No. There's a dense core of some kind to the asteroid, some kind of metallic deposit. That's why we picked this asteroid out of all the others. It made the construction problem much simpler, and it also explains why the asteroid has natural air and water. Did you see the hills?"

"The hills?"

"When we get up higher in the tower we'll be able to see over the buildings. There's quite a natural park here, a regular little forest, complete with everything you'd want. Come in here, Harris. This is my office." The old man strode at quite a clip, around the corner and into a large, well-furnished apartment. "Isn't this pleasant? I intend to make my last year here as amiable as possible." He frowned. "Of course, with Deutsch gone, I may be here forever. Oh, well." He shrugged. "Sit down, Harris."

"Thanks." Harris took a chair, stretching his legs out. He watched Watts as he closed the door to the hall. "By the way, any more cases come up?"

"Two more today," Watts was grim. "Makes almost thirty, in all. We have three hundred men in this station. At the rate it's going—"

"Chief, you spoke about a forest on the asteroid. Do you allow the crew to go into the forest at will? Or do you restrict them to the buildings and grounds?"

Watts rubbed his jaw. "Well, it's a difficult situation, Harris. I have to let the men leave the grounds sometimes. They can see the forest from the buildings, and as long as you can see a nice place to stretch out and relax that does it. Once every ten days they have a full period of rest. Then they go out and fool around."

Watts

"And then it happens?"

"Yes, I suppose so. But as long as they can see the forest they'll want to go. I can't help it."

"I know. I'm not censuring you. Well, what's your theory? What happens to them out there? What do they do?"

"What happens? Once they get out there and take it easy for a while they don't want to come back and work. It's boondoggling. Playing hookey. They don't want to work, so off they go."

"How about this business of their delusions?"

Watts laughed good-naturedly. "Listen, Harris. You know as well as I do 

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