Ключевые слова: ancient, antique, apple, background, black, blue, book, bookshelf, brown, classics, collection, cover, dirty, document, education, expertise, group, heap, history, information, isolated, knowledge, learning, library, literary, literature, object, old, page, paper, pile, reading, red, research, retro, row, school, science, stack, study, text, textbook, university, vintage, wisdom, writing,