def scrape_read_date(book_uri, agent = @agent)
      book_date = Yasuri.struct_date '//*[@id="book_edit_area"]/form[1]/div[2]' do
        text_year  '//*[@id="read_date_y"]/option[1]', truncate: /\d+/, proc: :to_i
        text_month '//*[@id="read_date_m"]/option[1]', truncate: /\d+/, proc: :to_i
        text_day   '//*[@id="read_date_d"]/option[1]', truncate: /\d+/, proc: :to_i