Premise: The Escapist is a superhero character created by Michael Chabon in the 2000 novel "The Amazing Adventures of Kavalier & Clay". In the novel, the Escapist is a fictional character created by the comics writer protagonists. The character later featured in the metafictional work "Michael Chabon Presents the Amazing Adventures of the Escapist" and Brian K. Vaughan's comic "The Escapists".
Hypothesis: The Escapist is a book