Ключевые слова: apple, background, black, book, bookmark, bookshelf, bookstore, business, classic, collection, college, cover, culture, dictionary, document, education, green, group, hardcover, information, knowledge, learn, learning, leisure, library, literacy, literary, literature, novel, page, paper, pile, read, reading, research, school, science, shelf, stack, study, studying, table, text, textbook, texture, university, white, wisdom, writing,