Ключевые слова: background, bestseller, book, brown, cognition, colourful, concept, cover, culture, design, dictionary, education, expertise, group, hardcover, information, intelligence, learn, learning, leisure, library, lifestyles, literacy, literary, literature, many, novel, open, page, paper, pattern, pile, read, reading, school, science, spirituality, stack, story, study, studying, teaching, text, textbook, university, white, wisdom, words,