quiet valley began to crumble apart beneath their very feet. Everything dropped away into blackness.... Falling, Marc was only incidentally aware of the tightening pressure of the girl's arms about his neck. And then the frightened words came breathlessly, close to his ear: "Marc! Marc! Don't leave!" "Please, Marc! Open your eyes!" The imperative note of command sang hollowly in the depths of his subconscious, echoed back in some small chamber of his awareness. He stirred. "Open your eyes, darling. Look at me." Marc clawed at the edge of darkness, caught hold, and pulled himself upward toward the lighter region of consciousness. He struggled to the brink, caught a measure of leverage, and opened his eyes.... Julie's face peered down at him duskily, her blue eyes bright with fear even in the dim moonlight. A whisp of blonde hair had gone astray across her forehead. "Marc!" she cried. "Marc!" Marc tried his reflexes and sat up. "Julie," he murmured. "What happened?" "Never mind, dear," Julie said. "Are you all right?" Marc considered the matter of his all-rightness. He let his enfeebled concentration travel the circuit of his body. There were no sharp pains or ominous numbnesses. "I think so," he said. "I think I'm all right. I had a dream...." "Here," Julie said, with a sigh of relief. "Let me help you up." On his feet, Marc tested the working parts of his rangey anatomy and found them all in an operative condition. He glanced around and for the first time since his awakening realized that he was still in the basement laboratory. In the dim moonlight that filtered through the hole in the wall, it was evident that the place had been ruined. The upper end, however, leading away into the wine bins had apparently been spared. The explosion rose and happened again in his memory. "Well," he sighed, turning to Julie, "it turned out a real bust, didn't it?" Julie gazed at him for a long moment and suffered a nasty transformation. Her eyes no longer reflected concern, solicitude or even slight affection. To the contrary, they expressed extreme annoyance. Evidently, now that she was certain he was all right, she