Gladiator, The Enduring Classic That Inspired the Creators of Superman!, Dover Publications, Philip Wylie,Science fiction,Fiction, the first superman;hero and superheroes;1930s superheroes;fantasy literature;early superheroes;science fiction;sci-fi;super humans;super-human strength;secret identities;super speed;precursor to superman;costumed crusaders;super intelligence;powerful gifts;strongman;superman; superheroes; speculative fiction; origin; seigel shuster,, , United States, en-UShttps://www.doverpublications.comthe first superman;hero and superheroes;1930s superheroes;fantasy literature;early superheroes;science fiction;sci-fi;super humans;super-human strength;secret identities;super speed;precursor to superman;costumed crusaders;super intelligence;powerful gifts;strongman;superman; superheroes; speculative fiction; origin; seigel shuster, [BLURB],[CITY],New York,books, ebooks, biblet, Book2look