Ключевые слова: book, books, brown, collection, concept, cultural, culture, dictionary, document, dusty, education, educational, encyclopedia, growth, hardcover, health, heap, information, intellectual, isolated, knowledge, ladder, learn, library, literacy, literary, literature, many, nobody, old, pile, research, rise, row, sample, school, science, set, stack, study, teaching, text, textbook, tome, tower, university, white, wisdom, wooden,