"I think we had best go back to the Ancient Mariner," Arcot said. "I need an aspirin and some sleep."

"Same here," agreed Fuller. "These men make me feel as though I were lazy. They work for forty or fifty hours and think nothing of it. Then they snooze for five hours and they're ready for another long stretch. I feel like a lounge lizard if I take six hours out of every twenty-four."

They asked Torlos to stand guard on the ship while they got some much needed sleep, and Torlos consented readily after getting the permission of the Supreme Three. The Earthmen were returned to their ship under heavy guard to prevent further attempts at assassination.

It was seven hours after they had gone to sleep that it came.

Through the ship came the low hum that rose quickly to a screeching call of danger—the warning! The city was under attack!


XXII

The Nansalian fleet was already outside the city and hard at it. The fight was on! But Arcot saw that the fight was one-sided in the extreme. Ship after ship of the Nansalian fleet seemed to burst into sudden, inexplicable flame and fall blazing against another of their own ships! It seemed as though some irresistible attraction drew the ships together and smashed them against each other in a blaze of electric flame, while the ships of Sator did nothing but stay far off to one side and dodge the rays of the Nansalian ships.

Quickly, Arcot turned to Torlos. "Torlos, go out! Leave the ship! We can work better when you aren't here, since we don't have to worry about exposure to magnetic rays. I don't like to make you miss this, but it's for your world!"

Torlos showed his disappointment; he wanted to be in this battle. But he realized that what the Earthman said was true. Their weak, stone bones were completely immune to the effects of even the most powerful magnetic ray.