The nine major publishing brands of Random House (USA) in the United States form their own publishing group, with different publishing directions. For example, Bantam Dell Publishing Group's eight publishing houses mainly publish popular novels; Crown Publishing Group's nine publishing houses, the main publishing houses are science and business non-fiction; The 14 publishing houses under Doubleday Broadway mainly publish high-end popular novels with high cultural content; Knopf Publishing Group's six publishing houses mainly publish high-end literary works and books of dignitaries; In addition, it also includes Random House Children's Publishing Group, Random House Information Group, Random House Audio Publishing Group, and Random House Film Publishing Group.