and found nothing but surprise in the faces turned to him. Sanderson rumbled,

"What the devil are you jabbering about?"

Vanning sighed. "I'm wondering something. When did you boys get here?"

It was the mild-faced Hobbs who answered. "A couple of weeks ago, I believe. Within a few days of each other. Just before you arrived, in fact. But we recovered long before you did. It was only a miracle that saved your life, Vanning."

"And before you three got here—any others come from outside? Lately, I mean."

"Not for months," Hobbs answered. "So I heard. Why?"

"Why? It proves that one of you is the man I'm after—Don Callahan. I'm a detective; I came to Venus to find Callahan, and—by accident—I followed him here. It stands to reason that one of you is the man I want."

Sanderson grinned. "Don't you know what the guy looks like?"

"No," Vanning admitted. "I've recognized him before by certain tricks he's got—the way he walks, the way he jerks his head around suddenly. Before he came to Venus, I found out, he went to an anthro-surgeon and got remodeled. A complete new chassis, face and body complete. Even got skin-grafts on his finger-tips. In time the old prints will grow back, but not for months. Meantime, Callahan's pretty well disguised."

"Good Lord!" Hobbs said. "One of us—"

Vanning nodded. "When he came to Venus, he put a disguise over his new, remodeled face. That's gone now, of course. One of you three is Callahan."

Zeeth, the Venusian native, said softly, "I do not think the usual laws hold good here."

Sanderson roared with laughter. "Damn right! You expect to arrest your man and ask the Swamja to imprison him for you?"

Vanning shook his head, smiling crookedly. "Scarcely. I'm getting out of this place sooner or later, and Callahan's going with me. Later, I'll bring back troops and clean out the Swamja. But I'm not forgetting about Callahan."

Hobbs shrugged. "It isn't me."

"Nor me," Zeeth said. Sanderson only grinned.

Vanning grunted. "It's one of you. I'm pretty sure of that. And I'm talking to you now, Callahan. You'll be able to disguise your 

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