It makes us jump. It makes us scream. It haunts our nightmares. So why do we watch horror? Why do we play it? What could possibly be appealing about a genre that tries to terrify us? Why would we subject ourselves to shriek-inducing shocks, or spend dozens of hours watching a television show about grotesque flesh-eating monsters? Monstrous Forms offers a theory of horror that works through the genre across a broad range of contemporary moving-image...