The DC Comics Frank Miller's Batman: The Dark Knight Returns Book and Mask set is a collectible item featuring the iconic superhero Batman. With Frank Miller as the artist and writer, this softcover comic book from the DC Universe falls under the genre of superheroes and is intended for a general audience. The set includes a mask, adding a unique element to the traditional US Comics series. Perfect for fans of Batman and comic book collectors, this item represents a significant era in modern age comics.