A newspaper article "Priest Frees Mt. Rainier Boy Reported Held in Devil's Grip" partly inspired which 1971 bestseller?

A theory says which author died on October 7, 1849, of rabies rather than alcoholism or drug abuse? A new waterway opened in 1872 let large ships reach which Dutch city, now one of the world's top ports? Which 1928 Democratic presidential candidate was known as "the Happy Warrior"? In which 1993 film is a TV weatherman stuck in a snowy Pennsylvania town? Which character says "A nice pickle we have landed ourselves in, Mr. Frodo" in "The Lord of the Rings"? What is a nice word meaning cowlike? Which Nicholas Sparks bestseller became a 2002 film starring Mandy Moore as a preacher's daughter? Complete the title of the Nicholas Sparks novel: "Dear..."?