London, England (CNN) -- There has been a resurgence of interest in horror recently, with zombies and vampires in particular colonizing our cinema screens in ever greater numbers.
As if to feed our renewed appetite, some of the genre's living legends are once again back in the director's chair delivering terror at 24 frames per second.
CNN's The Screening Room takes a close look at the work and careers of George Romero, Wes Craven, John Landis and Sam Raimi.
These writer-directors have created some of the most influential horrors of the last 40 years, among them, "An American Werewolf in London," "A Nightmare on Elm Street," "Evil Dead" and "Night of the Living Dead."
In exclusive video clips, these titans of terror give us their take on the genre.
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