docs: def _parse_alt_title(html_chunk):
      """
      Parse title from alternative location if not found where it should be.
  
      Args:
          html_chunk (obj): HTMLElement containing slice of the page with details.
  
      Returns:
          str: Book's title.
      """
      title = html_chunk.find(
          "input",
          {"src": "../images_buttons/objednat_off.gif"}
      )
  
      assert title, "Can't find alternative title!"
  
      title = title[0]
  
      assert "title" in title.params, "Can't find alternative title source!"
  
      # title is stored as Bleh bleh: Title
      title = title.params["title"].split(":", 1)[-1]
  
      return title.strip()