The product is a first edition hardcover book titled "The Dark Half" by Stephen King, published by Viking in 1989. It is a 448-page novel in the horror genre, intended for adult audiences. The book features a dust jacket and measures 9.5 inches in length, 6.3 inches in width, and 1.4 inches in height, weighing 28.7 ounces. This novel was the first printing of the first edition, making it a valuable collectible for fans of Stephen King and horror literature.