God Bless You, Mr. Rosewater, or Pearls Before Swine, Kurt Vonnegut's fifth novel, was published in 1965 by Holt, Rinehart and Winston and as a Dell mass-market paperback in 1970. A piece of postmodern satire, it gave context to Vonnegut's following novel, Slaughterhouse-Five and shared in its success.

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.