Ключевые слова: background, book, books, bookshelf, bookshop, bookstore, brown, classic, collection, color, colorful, cover, design, diary, education, empty, exam, graphic, group, hardcover, information, isolated, knowledge, learn, learning, library, literature, nobody, notebook, novel, object, open, page, paper, read, reading, school, schoolbook, science, sheet, stack, story, study, textbook, university, various, vibrant, vivid, white,