Breakfast of Champions, or Goodbye Blue Monday is a 1973 novel by the American author Kurt Vonnegut. His seventh novel, it is set predominantly in the fictional town of Midland City, Ohio, and focuses on two characters: Dwayne Hoover, a Midland resident, Pontiac dealer and affluent figure in the city, and Kilgore Trout, a widely published but mostly unknown science fiction author. Breakfast of Champions deals with themes of free will, suicide, and race relations, among others. The novel is full of drawings by the author, substituting descriptive language with depictions requiring no translation.

Kurt Vonnegut was an American writer and humorist known for his satirical and darkly humorous novels. He published 14 novels, three short-story collections, five plays, and five nonfiction works over fifty-plus years; further collections have been published since his death.