Barnes & Noble is one of the leading booksellers in the United States. It operates a chain of retail stores that carries more than 5,000 magazine and over 900 newspaper titles. The chain s stores sell approximately 250 million books per year. Barnes & Noble offers the nook, which is eBook reader featuring a color touch screen for navigation. The chain s stores stock an inventory of nearly 35,000 publisher imprints, including independently published books and small and university presses. Its stores also provide online and customer care solutions. The chain s stores sell fiction, horror, humor, poetry, romance, business, game, hobby and fitness books. Its stores additionally sell biographies, Bibles, antiques and collectibles.