Metafiction is one the techniques that postmodem writers utilized in their novels in order to find a way out of their dilemma, that was writing novels when some critics had announced its death. Metafiction, instead of putting a mirror up to human nature or reality, puts a mirror up to the art of novel writing itself, so that the readers may understand that some concepts such as "History" and "Reality" are human constructs and it is absolutely impossible to get hold of the absolute truth. Kurt Vonnegut is one of the prominent novelists of our era and his novels mainly aim at criticizing the culture of the contemporary American society and criticizing the catastrophes such as war. Vonnegut by using metafiction in his major novels challenges
the concepts of "History" and "Reality" in order to give the readers a better understanding of the authenticity of these abstract terms.