For another half hour or to I hovered about the smelter house. A treasure of quicksilver ingots here? I mentioned it casually to my companion. He shot me a sharp glance.

"Spawn has told you that?"

"I heard it."

"His business. We do not talk of that. Never can I tell what Spawn will choose to take offense at."

We rambled upon other subjects. Later, he said, "We work not at night. But Spawn, he is here often at night, with his friend, the Señor Perona."

That caught my attention. "I met Perona this morning," I said quickly. "Is he a partner of Spawn's?"

"If he is so, I never was told it. But much he is here—at night."

"Why at night?"

The fellow really knew nothing. Or if he did, he was diplomatic enough not to jeopardize his post by babbling of it to me. He said: