Ключевые слова: ad, archive, back, background, blue, book, bookmark, bookstore, business, campus, certificate, close, club, college, covers, data, degree, dictionary, diploma, education, green, group, growth, hardcover, imagination, information, knowledge, law, learn, legal, leisure, library, literacy, literature, novel, open, opened, paper, read, reading, school, stack, story, text, textbook, up, volume, wooden, work,