Fueled by amphetamines and written during a feverish ten-month spree, Blatty’s book was dead on arrival in bookstores until a last-minute guest cancellation earned him a sudden appearance on The Dick Cavett Show. A blockbuster was born. For eleven weeks, The Exorcist and The Other held the #1 and #3 marks on the New York Times Best-Seller List. The Other slipped off after twenty-four weeks; The Exorcist would hold on for a whopping fifty-five.