That dead man, Selvy, was decapitated by a man named Van in a section of the novel called "Marathon Mines."  
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.
At the end of one of this man's novels, Levi Blackwater plucks a few hairs from the head of a dead man.  
Don DeLillo