Task: Text Categorization
Input (English): At the end of one of this man's novels, Levi Blackwater plucks a few hairs from the head of a dead man. That dead man, Selvy, was decapitated by a man named Van in a section of the novel called "Marathon Mines. "  At the end of another of his novels, a photographer named Brita watches an early morning wedding procession from an apartment in East Beirut. That novel features the death of a novelist named Bill Gray and begins with a Moonie wedding held at Yankee Stadium. In addition to Running Dog and Mao II, this man has written about a professor named Jack Gladney in a novel that features an airborne toxic event. FTP, name this American author of Underworld and White Noise.
Output (English): Literature