As a cultural movement, the Italian Renaissance affected only a small part of the population. Italy was the most urbanized region of Europe, but three quarters of the people were still rural peasants. For this section of the population, life remained essentially unchanged from the Middle Ages.
Although I enjoyed the book, The Hellbound Heart, the movie version, Hellraiser - with the awesomely cheesy blue and yellow 80's FX - is a bit better and mainly because it was more fully realized.
Similar to the movie,  Salinger blocked a biography of himself, for instance, and he was  also wildly famous for just one book. IMDB trivia about the movie  claims In addition to being based on J.D. Salinger, William  Forrester is also heavily inspired by John Kennedy Toole..