suggest that you go to your staterooms, see that your luggage is in order, and prepare to disembark."

Dr. Roswell said hesitantly, "Er ... Captain ... just a moment. When ... er ... how soon does the Gaea return to Earth?"

"Return to Earth! But—" Captain Burke turned a blank, uncomprehending stare upon his questioner—"but you have not yet set foot on Titan!"

Dr. Roswell shuffled uncomfortably.

"I ... er ... I quite realize that, Captain. But I ... er ... have been reconsidering. In view of Mister Grossman's revelations, I ... er ... am not altogether certain it would be wise to pursue my investigations...."

The space skipper's broad, flat features contracted into a grimace of disdain. Despite his company's instructions to maintain at all times a respectful mien toward passengers, he permitted contempt to echo in his voice.

"You don't mean to say you are afraid, Doctor Roswell!"

The young man's cheeks flushed. He said, "I ... er ... should not put it quite that way, sir. However, I prefer not to expose myself to needless risks. The work I had intended to do on Titan is not sufficiently important to warrant—"

Grossman chuckled. The girl, Lynn Graham, looked at the embarrassed pedant almost pityingly. Captain Burke said, "I am afraid, Doctor Roswell, it will not be possible to return to Earth immediately. The Gaea is not returning to Earth."

"Not returning—"

"No. We are going on to Uranus to leave a cargo of food and medical supplies there. We will, however, stop back at Titan in three Solar Constant weeks. If—" The skipper's voice was openly ironic—"if you can endure the rigors of the satellite for that length of time, we will be glad to pick you up on our return trip."

"I ... er ... I suppose it would not be possible for me to ride with you to Uranus?"

"I'm sorry," said Burke decidedly. "The Uranus post is a military zone forbidden to civilian tourists. I cannot take you there."

"Then in that case," shrugged Roswell, "I must stay. But you will stop for me?"

"I'll stop for you. Meanwhile, you had better make arrangements to stay somewhere where you will be quite safe." Captain Burke's 

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