Fight Club is a 1996 novel by Chuck Palahniuk. It was Palahniuk's first published novel, and follows the experiences of an unnamed protagonist struggling with insomnia. The protagonist finds relief by impersonating a seriously ill person in several support groups, after his doctor remarks that insomnia is not "real suffering" and that he should find out what it is really like to suffer. The protagonist then meets a mysterious man named Tyler Durden and establishes an underground fighting club as radical psychotherapy.

Charles Michael "Chuck" Palahniuk is an American novelist who describes his work as transgressional fiction. He has published 19 novels, three nonfiction books, two graphic novels, and two adult coloring books, as well as several short stories. His first published novel was Fight Club, which was adapted into a film of the same title.