Superman, the Suicide Squad, and the Challengers of the Unknown battle an extraterrestrial creature that threatens the existence of all human life, in the concluding volume of this series.
Categories:
["Fiction""Heroes""Good and evil""Juvenile Fiction""Graphic Novels - Superheroes""Historical Fiction (Young Adult)""Graphic Novels""Children: Young Adult (Gr. 7-9)""Fantasy""Comics & Graphic Novels / Graphic Novels / General""Comics & Graphic Novels - Superheroes""COMICS & GRAPHIC NOVELS / Superheroes""Comic booksstrips""Justice Society of America (Fictitious characters)""Comics & graphic novelsgeneral""Justice League of America (Fictitious characters)""Martian Manhunter (Fictitious character)""Superhero comic booksstrips""Comics & graphic novelssuperheroes"]
