your Captain Walls the safest route through the meteor swarms."

Her dark eyes studied him curiously. "You've been out here on the frontier a long time, haven't you?"

"Twelve years," he told her. "That's a long time in the outer planets. Most space-men don't last that long out here—wrecks, accidents or gravitation-paralysis gets them."

"Gravitation-paralysis?" she repeated. "I've heard of that as a terrible danger to space-travelers. But I don't really know what it is."

"It's the most dreaded danger of all out here," Kenniston answered. "A paralysis that hits you when you change from very weak to very strong gravities or vice versa, too often. It locks all your muscles rigid by numbing the motor-nerves."

Gloria shivered. "That sounds ghastly."

"It is," Kenniston said somberly. "I've seen scores of my friends stricken down by it, in the years I've sailed the outer System."

"I didn't know you'd been a space-sailor all that time," the heiress said wonderingly. "I thought you said you were a meteor-miner."

Kenniston woke up to the fact that he had made a bad slip. He hastily covered up. "You have to be a good bit of a space-sailor to be a meteor-miner, Miss Loring. You have to cover a lot of territory."

He was thankful that they were interrupted at that moment by some of the others who came along the deck in a lively, chattering group.

Robbie Boone was the center of the group. That chubby, clownish young man, heir to the Atomic Power Corporation millions, had garbed himself in what he fondly believed to be a typical space-man's outfit. His jacket and slacks were of black synthesilk, and he wore a big atom-pistol.

"Hiya, pal!" he grinned cherubically at Kenniston. "When does this here crate of ours jet down at Vesta?"

"If you knew how silly you looked, Robbie," said Gloria devastatingly, "trying to dress and talk like an old space-man."

"You're just jealous," Robbie defied. "I look all right, don't I, Kenniston?"

Kenniston's lips twitched. "You'd certainly create a sensation if you walked into the Spaceman's Rendezvous in Jovopolis."

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