code: def _parse_description(html_chunk):
      
      description_tag = html_chunk.match(
          ["div", {"class": "kniha_detail_text"}],
          "p"
      )
  
      if not description_tag:
          return None
  
      description = get_first_content(description_tag)
      description = description.replace("<br />", "\n")
      description = description.replace("<br/>", "\n")
  
      return dhtmlparser.removeTags(description).strip()
docs: Parse description of the book.
  
      Args:
          html_chunk (obj): HTMLElement containing slice of the page with details.
  
      Returns:
          str/None: Description as string or None if not found.