The ascetic features were in repose, the eyelids closed, their long black lashes lying against the delicate saffron of the skin. Dr. Ku Sui seemed resting in dreamless, unclouded sleep. But for only a moment. Soon the eyelids quivered and slowly opened—and a great change was immediately visible in the man's green eyes.

Many observers have recorded that under the veiled, enigmatic eyes of Dr. Ku Sui there lurked a sultry glimmer of fire; or perhaps it was that the observers who met these eyes always imagined the fire, being conscious of the devil and the tiger in the man. But Carse and Leithgow now saw that all that was gone.

No mask lay over the green eyes now, no spark of fire glinted deep in them. They were clear and serene; they hid nothing; almost they were the eyes of a fresh, innocent child. Dr. Ku Sui, he of a hundred schemes, a score of plots, he of the magnificent capacity and untiring brain bearing ever toward his goal of lordship of the solar system—it was as if he had slipped into a magic pool whose waters had washed him clean and given him innocence and eyes of peace....


he Eurasian breathed deeply, then smiled at the two men standing by him.

"Now," whispered Eliot Leithgow. "Ask him anything. He will answer truthfully."

The Hawk lost no time. He asked:

"Dr. Ku, you will perform the brain transplantations for us?"

"Yes, my friend."