Ключевые слова: background, bestseller, blank, book, bookcase, bookmark, bookshelf, bookstore, business, certificate, classics, collection, college, cover, degree, design, diary, dictionary, document, education, educational, empty, hardcover, information, knowledge, law, learn, library, literacy, literary, literature, note, office, page, paper, pile, publisher, read, research, school, science, space, stack, study, textbook, university, vintage, white, wisdom, writing,