Welcome to the Jungle is a 2008 hardback graphic novel written by science fiction and fantasy author Jim Butcher and illustrated by Ardian Syaf. Set in the world of Butcher's contemporary fantasy/mystery novel series, "The Dresden Files", "Welcome to the Jungle" was written as a prequel to the first novel, "Storm Front". It was nominated for a Hugo Award in the Best Graphic Novel category. Using only the above description and what you know about the world, "Jim Butcher wrote at least one graphic novel prior to 2008." is definitely correct, incorrect, or inconclusive? 