Sebastian Beaumont, the author of Thirteen, offers his list of books that "blur the boundaries of consensus 'reality' and psychological reality."
    - Journey to the East, Hermann Hesse
 
    - Le Grand Meaulnes, Henri Alain-Fournier
 
    - Fight Club, Chuck Palahnuik
 
    - Vurt, Jeff Noon
 
    - Steppenwolf, Hermann Hesse