Nathan was filled with pain for either he had slain Tabor unjustly or else he would shortly kill him to avenge the murder of his father.

The ramp leveled out shortly and they made a sharp turn. Then Firebird halted. "This is where we stop. Be careful. He's behind us somewhere."

"Yes, right behind you."

Out of the darkness came the unmistakable voice of Tabor.

Nathan whirled, reaching for his guns, but Firebird gave him a mighty shove that sent him sprawling into the corner of a deep niche in the cavern wall.

"I thought you went to Venus," Nathan gasped in hate and rage. "What do you want, Tabor?"

"The Jewels of Chamar. I'm your friend and your father's friend, Nathan, but first I'm a spaceman, and the Jewels of Chamar are above all friendship to a spaceman. Still, I'm an honorable man. I'll fight you for them, Nathan."

"Why didn't you just shoot us in the back as you did my father?"

"Why will you misunderstand me, Nathan? I had to do what I did to force Thymar to reveal where he had hidden the Jewels of Venus. He always said it was better for just one man to know that at a time. I agreed with him, but it was too bad that we didn't have the same man in mind."

"You dirty killer—"