Robert Coover 
Gerald »s Party 

Ros is dead. A bad actress but a tremendous lover, when she was alive her thighs pillowed cast members, crew, friends and acquaintances. Now Gerald »s party continues around her murdered corpse (it is, after all, just the first of the night), as the guests indulge in drinking, flirting and jealousies, and the police make their brutal investigations.
An evening of cocktails, sex and violence, Robert Coover »s novel is a murder mystery as rousing and disorienting as the best drunken party, a vaudevillian masterpiece.