Farland was the third planet of the local system, orbiting at roughly twice the distance from the sun as the Land-Overland pair, and throughout most of Kolcorron's history it had been nothing more than an insignificant green speck amid the splendors of the night sky. Then, twenty-six years ago, a bizarre set of circumstances had led to a single ship venturing out from Overland and crossing millions of miles of hostile vacuum to reach the outer world. The ex pedition had been ill-fated—Cassyll's father had not been the only one to die on that dank, rainy planet—and three of its members had returned to the home world with disturbing news.
Farland was inhabited by a race of humanoids whose technology was so advanced that they had the capability of annihilating the Overlanders' civilization at a stroke. It was fortunate indeed for the humans that the Farlanders were an insular, inward-looking race with no interest in anything beyond the perpetual cloud-cover of their own world. That attitude of mind had been difficult for the territorially acquisitive humans to comprehend. Even after years had merged into decades with no sign of aggression from the enigmatic third planet, the fear of a sudden devastating attack from the skies had continued to lurk in some Overlanders' minds. It was, as Cassyll Maraquine had just discovered, never far beneath the surface of their thoughts. . . .
"Farland?" Bartan gave him a strange smile. "No—I'm talking of yet another planet. A fourth planet."
In the silence that followed, Cassyll studied his friend's face as though it were a puzzle to be solved. "This isn't some manner of jest, is it? Are you claiming to have discovered a new planet?"
Bartan nodded unhappily. "I didn't discover it personally. It wasn't even one of my technicians. It was a woman—a copyist in the records office at the Grain Quay—who pointed it out to me."
"What does it matter who actually saw it first?" Cassyll said. "The point is that you have a really interesting scientific discovery to—" He broke off as he realized he had not yet been told the whole story. "Why do you look so glum, old friend?"
"When Divare told me about the planet she said it was blue in color, and that made me think she could have made a mistake. You know how many blue stars there are in the sky—hundreds of them. So I asked her what size of telescope was needed to see it properly, and she said a very small one would do. In fact, she said it could be seen well with the naked eye.
"And she was right, Cassyll. She pointed it out to me last night ... a blue planet. . . quite easy to see without optical aid . . . low in the west soon after sunset. ..."
Cassyll frowned. "And you checked it with a telescope?"
"Yes. It showed an appreciable disk even with an ordinary nautical instrument. It's a planet, all right."
"But . . ." Cassyll's bafflement increased. "Why has it not been noticed before now?"
Bartan's strange smile returned. "The only answer I can think of is that it wasn't there to be observed before now."
"That goes against everything we know about astronomy, doesn't it? I have heard that new stars appear now and then, even if they don't last very long, but how can another world simply materialize in our skies?"
"Queen Daseene is bound to ask me that selfsame ques tion," Bartan said. "She will also ask me how long it has been there, and I'll have to say I don't know; and she will then ask me what should be done about it, and I'll have to say I don't know that either; and then she will start wondering about the value of a scientific adviser who doesn't know anything. ..."
"I think you're fretting too much on that score," Cassyll said. "The Queen is quite likely to regard it as nothing more than a mildly interesting astronomical phenomenon. What makes you think the blue planet poses any threat to us?"
Bartan blinked several times. "It's a feeling I have. An instinct. Don't tell me you're not disturbed by this thing."
"I'm deeply