An Oral Biography of Buster Casey is a novel by Chuck Palahniuk released on May 1, 2007. Rant is told in the form of an oral biography. When the story begins, the reader discovers that the main character, Buster Landru "Rant" Casey, is already deceased. Throughout the book various people discuss their memories of Buster and the world he lived in, presenting stories in an occasionally conflicting timeline. The paperback edition became a national bestseller in May 2008 and remained on the New York Times Paperback Fiction Bestseller List for six weeks.