The product is an Essential Sub-Mariner comic book series, Vol. 1, published by Marvel Comics in 2009. The book features a collection of comic book stories focusing on the Sub-Mariner character, Namor, and is written by Stan Lee, Roy Thomas, Bill Everett, and others. With a total of 504 pages, the paperback book measures 6.5 inches in length, 10 inches in height, and 1.25 inches in width. The book is in English and falls under the genre of superheroes, catering to fans of US Comics.