Stephen King - Secret Windows was first published in 2000. Secret Window by Stephen King is a collection of all sorts of different Stephen King short stories, essays and other material, including a Stephen King interview.
Due to the uniqueness of this book, Stephen King's Secret Windows wasn't widely published, so copies of the book are more expensive than his regular novels.
Secret Windows - Stephen King book description:
Secret Windows: Essays and Fiction on the Craft of Writing is an exclusive Book-of-the-Month Club anthology of hard-to-find non-fiction pieces, little-known interviews, short stories, and articles about writing. It includes an introduction by Peter Straub.