Ключевые слова: ancient, antique, background, book, books, brown, classics, collection, color, colorful, composition, cover, document, education, expertise, green, group, hardcover, heap, history, information, knowledge, learning, library, literary, literature, many, nobody, object, old, order, page, paper, pile, read, reading, retro, school, science, stack, study, text, textbook, university, vintage, wallpaper, writing, yellow,