American comic book Kane and Bill Finger created Batman, who debuted in "Detective Comics" #27 (1939). The period from the late 1930s through roughly the end of the 1940s is referred to by comic book experts as the Golden Age of comic books. It featured extremely large print-runs, with "Action Comics" and "Captain Marvel" selling over half a million copies a month each; comics provided very popular cheap entertainment during World War II especially among soldiers, but with erratic quality in stories, art, and printing. In the early 1940s over 90 percent of girls and boys from seven to seventeen read comic books.
American comic book to receive his own title, and "Showcase" itself was only a bimonthly title, though one that was to introduce a large number of enduring characters. By 1959, the slowly building superhero revival had become clear to DC's competitors. Archie jumped on board that year, and Charlton joined the bandwagon in 1960. In 1961, writer/editor Stan Lee and artist/co-plotter Jack Kirby created the Fantastic Four for Marvel Comics. With an innovation that changed the comic-book industry, "The Fantastic Four" #1 initiated a naturalistic style of superheroes with human failings, fears, and inner demons - heroes who squabbled and worried about the