been rioting here and in Charin during the last month. After the display of mob violence this afternoon, a lone Terran, unarmed, might turn up as a solitary corpse flung on the steps of the HQ building.

There had been a time when I had walked alone from Shainsa to the Polar Colony. I had known how to melt into this kind of night, shabby and inconspicuous, a worn shirtcloak hunched round my shoulders, weaponless except for the razor-sharp skean in the clasp of the cloak; walking on the balls of my feet like a Dry-towner, not looking or sounding or smelling like an Earthman.

That rabbit in the Traffic office had stirred up things I'd be wiser to forget. It had been six years; six years of slow death behind a desk, since the day when Rakhal Sensar had left me a marked man; death-warrant written on my scarred face anywhere outside the narrow confines of the Terran law on Wolf.

Rakhal Sensar—my fists clenched with the old impotent hate. If I could get my hands on him!

It had been Rakhal who first led me through the byways of the Kharsa, teaching me the jargon of a dozen tribes, the chirping call of the Ya-men, the way of the catmen of the rain-forests, the argot of thieves markets, the walk and step of the Dry-towners from Shainsa and Daillon and Ardcarran—the parched cities of dusty, salt stone which spread out in the bottoms of Wolf's vanished oceans. Rakhal was from Shainsa, human, tall as an Earthman, weathered by salt and sun, and he had worked for Terran Intelligence since we were boys. We had traveled all over our world together, and found it good.

And then, for some reason I had never known, it had come[13] to an end. Even now I was not wholly sure why he had erupted, that day, into violence and a final explosion. Then he had disappeared, leaving me a marked man. And a lonely one: Juli had gone with him.

[13]

I strode the streets of the slum unseeing, my thoughts running a familiar channel. Juli, my kid sister, clinging around Rakhal's neck, her gray eyes hating me. I had never seen her again.

That had been six years ago. One more adventure had shown me that my usefulness to the Secret Service was over. Rakhal had vanished, but he had left me a legacy: my name, written on the sure scrolls of death anywhere outside the safe boundaries of Terran law. A marked man, I had gone back to slow stagnation behind a desk. I'd stood it as long as I could.

When 

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