The Exorcist. Olive Edition

"Based on true events--a child's demonic possession in the 1940s--it is the story of eleven-year-old Regan MacNeil, whose sudden disturbing, and often violent, behavior drive her desperate mother, Chris, a famous actress, to eventually seek help from two Catholic priests, men who will risk everything--including their own souls-- to free the girl from an ancient malevolent force possessing her."--Provided by publisher.