over the world. Where there had been thousands of minds there now were one or two. A feeble force to hold the form of matter intact. The plague had swept Europe and Asia almost clean of life, had blighted Africa, had reached South America ... might even have come to the United States. He remembered the whispers he had heard, the words of the men at the drugstore corner, the buildings disappearing. Something scientists could not explain. But those were merely scraps of information. He did not know the whole story ... he could not know. He never listened to the radio, never read a newspaper. But abruptly the whole thing fitted together in his brain like the missing piece of a puzzle into its slot. The significance of it all gripped him with damning clarity. There were not sufficient minds in existence to retain the material world in its mundane form. Some other power from another dimension was fighting to supersede man's control and take his universe into its own plane! Abruptly Mr. Chambers closed the book, shoved it back in the case and picked up his hat and coat. He had to know more. He had to find someone who could tell him. He moved through the hall to the door, emerged into the street. On the walk he looked skyward, trying to make out the sun. But there wasn't any sun ... only an all pervading grayness that shrouded everything ... not a gray fog, but a gray emptiness that seemed devoid of life, of any movement. The walk led to his gate and there it ended, but as he moved forward the sidewalk came into view and the house ahead loomed out of the gray, but a house with differences. He moved forward rapidly. Visibility extended only a few feet and as he approached them the houses materialized like two dimensional pictures without perspective, like twisted cardboard soldiers lining up for review on a misty morning. Once he stopped and looked back and saw that the grayness had closed in behind him. The houses were wiped out, the sidewalk faded into nothing. He shouted, hoping to attract attention. But his voice frightened him. It seemed to ricochet up and into the higher levels of the sky, as if a giant door had been opened to a mighty room high above him. He went on until he came to the corner of Lexington. There, on the curb, he stopped and stared. The gray