Ключевые слова: background, bestseller, black, blue, book, brown, cognition, colourful, concept, copy, cover, culture, dark, decor, design, dictionary, education, expertise, glasses, hardcover, information, intelligence, learn, learning, leisure, library, lifestyles, literacy, literary, literature, novel, open, page, paper, pattern, pile, read, science, space, spirituality, stack, story, study, studying, text, textbook, white, wisdom, yellow,