The product is a paperback novel titled "Needful Things" by Stephen King, published by Signet in English. It falls under the genre of fiction and is intended for an adult audience. The novel's narrative type is fiction, and it was originally written in English, making it a prime choice for readers who enjoy supernatural and horror elements in their storytelling. This edition of the book is a convenient and affordable format for fans of Stephen King's work to enjoy his chilling tale of "Needful Things."