A comic book or comic book shortened to simply comic is a magazine made up of comics, narrative artwork in the form of separate panels that represent individual scenes, often accompanied by dialog (usually in word balloons, emblematic of the comic book art form) as well as including brief descriptive prose. The first comic book appeared in the United States in 1933, reprinting the earlier newspaper comic strips, which established many of the story-telling devices used in comics. The term “comic book” arose because the first comic books reprinted humor comic strips. Despite their name, however, comic books do not necessarily operate in humorous mode; most modern comic books tell stories in a variety of genres. Since the introduction of the comic book format in 1934 with the publication of Famous Funnies, the United States has produced the most titles, with only the British comic and Japanese manga as close competitors in terms of quantity of titles. The comic book industry in the U.S. markets a wide variety of genres to different age groups as of today including adult readers, young adult readers, as well as titles for young children.