Give me an example of trivia in this category: books
スティーブン・キングの書籍で、未だに映画化されていないのはどれ？ Rage, The Long Walk, Roadwork, The Eyes of the Dragon, Insomnia, The Regulators, The Girl Who Loved Tom Gordon, The Plant, Black House, From a Buick 8, Blaze, Duma Key, Joyland, Gwendy's Button Box