He had built an empire of many worlds. That couldn't be done with gentle methods and no sure goal. Fighting every inch from planet to planet, he had used power to gain power. And now that empire was threatened by two men who had found a greater power. That threat had to be smashed! It would be smashed!

Chambers leaned forward and pressed a buzzer.

"Yes, Mr. Chambers?" said a voice in the communicator.

"Send Dr. Craven in," commanded Chambers.

Craven came in, slouchily, his hair standing on end, his eyes peering through the thick-lensed glasses.

"You sent for me," he growled, taking a chair.

"Yes, I did," said Chambers. "Have a drink?"

"No. And no smoke either."

Chambers took a long cigar from the box on his desk, clipped off the end and rolled it in his mouth.