Claim: Carrie Fisher only wrote fiction.
Evidence: Fisher wrote several semi-autobiographical novels , including Postcards from the Edge and the screenplay for the film of the book , as well as an autobiographical one-woman play , and its non-fiction book , Wishful Drinking , based on the play.
Wishful Drinking is an autobiographical humor book by American actress and author Carrie Fisher , published by Simon & Schuster in 2008.