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.
Bob Kane he had met Kane at a party, and Kane later offered him a job ghost writing the strips "Rusty" and "Clip Carson". He recalled that Kane Finger said he offered such suggestions as giving the character a cowl and scalloped cape instead of wings; adding gloves; leaving the mask's eyeholes blank to connote mystery; and removing the bright red sections of the original costume, suggesting instead a gray-and-black color scheme. Finger additionally said his suggestions were influenced by Lee Falk's "The Phantom", a syndicated newspaper comic strip character with which Kane was familiar as well. Finger, who said he also