Title: Superman, Batman
Subjects: Superman (Fictitious character), Graphic novels, Batman (Fictitious character), Comic books, strips, Fiction - Fantasy, Juvenile Fiction, Children: Young Adult (Gr. 7-9), Graphic Novels - Superheroes, Fiction / Graphic Novels, Comics & Graphic Novels - Superheroes, Comic books, strips, etc, Fiction, Comics & Graphic Novels, Fantasy, Superman (fictitious character), fiction, Batman (fictitious character), fiction, Comics & graphic novels, general, Comics & graphic novels, science fiction