Ключевые слова: assortment, background, book, books, bookshop, bookstore, business, classroom, colorful, cover, desk, dictionary, education, exam, grey, group, handbook, hardcover, information, knowledge, learn, learning, library, light, literature, many, novel, object, page, paper, publishing, read, reading, school, schoolbook, science, stacks, story, study, studying, table, text, textbook, university, various, vertical, wisdom,