Ключевые слова: abstract, aged, ancient, antique, back to school, backdrop, background, book, bookcase, books, bookshelf, bookstore, brown, classic, collection, colored background, cover, different, education, hardcover, historic, information, knowledge, learn, learning, library, literature, object, old, old book, page, pages, paper, pattern, pile, read, reading, retro, school, science, stack, study, template, text, textbook, texture, vintage, wisdom, yellow, yellowed,