CBS Corporation is a mass media company. The Company's segments include Entertainment, Cable Networks, Publishing and Local Broadcasting. Its Entertainment segment is composed of the CBS Television Network; CBS Television Studios; CBS Global Distribution Group (composed of CBS Studios International and CBS Television Distribution); CBS Interactive, and CBS Films. The Company's Cable Networks segment is composed of Showtime Networks; CBS Sports Network, and Smithsonian Networks. The Publishing segment is composed of Simon & Schuster, which publishes and distributes consumer books under imprints, such as Simon & Schuster, Pocket Books, Scribner, Gallery Books, Touchstone and Atria Books. The Local Broadcasting segment is composed of CBS Television Stations, its approximately 30 owned broadcast television stations, and CBS Radio, through which it owns and operates radio stations in the United States markets. It operates businesses, which span the media and entertainment industries.