Ключевые слова: ancient, answers, antique, archives, backgrounds, book, book spine, bookshelf, choice, collection, colorful, concepts and ideas, condition, cover, education, encyclopedias, group of objects, grunge, hardcover book, ideas, in a row, information, information medium, intelligence, knowledge, learning, library, lifestyle, literature, no people, old, old fashioned, paper, paperback, printed, published, rack, rarity, science, science backgrounds, series, shelf, square, stack, studying, traditional culture, university, volumes, wisdom,