With their secret of invisibility, their deadly blue rays, what havoc couldn't they wreak, working from their cunningly concealed base?

And now they were waiting for him to recover consciousness—waiting to question him before killing him....

But as he lay there, apparently still senseless, Chris was grappling with the seemingly hopeless problem. So, even when he felt the tingling coldness of a spray of water on his cheeks, not one line of his face moved, nor did the tiniest flutter of eyelids betray him.

Although the fumbled landing in the jungle had been a catastrophe, it had granted him his only weapon. He was believed to be genuinely unconscious.

"Another—he iss stubborn," hissed the voice of the man called Istafiev. "His senses will soon come. I can bring them back—oh, yess!"

"Enough of this!" complained the suave, beautifully modulated voice. "Darkness is coming; there's a lot to be done. Shoot him and throw him out!"

"It iss I who am in command here, comrade Kashtanov. Remember that. I desire to speak to this man. There! No? No sign yet? Well! We will see if this helps those eyes of yours to open, my American!"

Then began sheer torture.


It was an ordeal of silence. By no motion, sound or slightest sign of consciousness could he seek relief. Inanimate Chris Travers lay, holding his pose sturdily, although it seemed that the sweat was spurting from the pores, while a thin, cruel knife-blade drove into the quivering nerves beneath his left thumb-nail.