smash was coming and it was no use." Pendleton whispered, "You don't know, the things they do to you." Stiff and dry out of the Earthman's aquamarine mask, came the words, "You'll learn. There's no hope, MacVickers, and the men have all they can bear without pain. "If you bring them more suffering, MacVickers, they'll kill you." Heat. Oil and reeking metal, and white stiff faces filmed with sweat. Eyes shining, hot and glittering with fear. Rocking floor and sucking pumps and a clutching nausea in his belly. Birek, standing straight and still, watching him. Watching. Everybody, watching. MacVickers put his hand flat on the engine-housing beside him. "There's more to it than duty," he said softly, and smiled, without humor, the vertical lines deep in his cheeks. His gaunt Celtic head had a grim beauty. His voice rang clear across the roar of the machines. "I'm Christopher Rory MacVickers. I'm the most important thing in the universe. And if I have to give my life, it'll not be without return on the value of it!" Janu the Martian, away on the other side of the pit, made a shrill wailing cry. Loris and Pendleton flinched away like dogs afraid of the whip, looking upward. MacVickers glimpsed a dark tentacled shape on the catwalk above, just before the shattering electricity coursed through him. He screamed, once. And then Birek moved. He struck Loris and Pendleton and the blue-sheathed Earthman out of the way like children. His left leg took MacVickers behind the knees in the same instant that his right hand pushed MacVickers' face. MacVickers fell heavily on his back, screaming at the contact of the metal floor. Then Birek sprawled over him, shielding his body with the bulk of his own. The awful shocking pain was lessened. Lying there, looking up into Birek's pale eyes, MacVickers made his twitching lips say, "Why?" Birek smiled. "The current doesn't hurt much any more. And I want you for myself—to break." MacVickers drew a deep, shuddering breath and smiled back, the lines deep in his lean cheeks. He had no clear memories of that shift. Heat and motion and strangling air, and Janu coughing with