Ключевые слова: black, book, bookshelf, bookstore, catalog, class, collection, college, cover, dictionary, document, education, encyclopedia, flat, genius, information, knowledge, learn, learning, library, literature, novel, object, old, open, page, paper, pile, professor, publication, publish, read, reading, retro, row, school, science, shape, stack, student, study, studying, symbol, teacher, text, textbook, university, vintage, white, wisdom,