What if the most terrifying demon isn't the one you see, but the one you hear whispering in the dark? The film’s visceral shocks are legendary, but the novel it’s based on harbors a quieter, more insidious evil. Its genesis wasn't fiction. It was a headline. In nineteen forty-nine, Georgetown student William Peter Blatty read a newspaper article detailing a real-life exorcism in Maryland. That ...
