Ключевые слова: background, book, bookcase, bookish, booklet, books, bookshelf, bookstore, classroom, closeup, collection, desk, dictionary, education, indoors, information, intelligence, knowledge, learn, learning, library, literature, old, open, opened, printed, publication, reading, research, school, shelf, study, studying, table, teaching, textbook, university, view, vintage, wisdom, wooden,