He's one of the must successful authors of all-time, selling more then 400 million books. But the success of 'Goosebumps' goes far beyond the bookshelf, that now includes films, TV shows, merchandise and even an amusement park ride. Cheddar sat down with the series' creator, R.L. Stein, who shared how the terrifying series came to be. Goosebumps 2 is out now on Digital and coming to 4K, Blu-ray, and DVD on January 15.