$epath = 'gutbook/book/frontmatter/titlepage/title';
my $twig = XML::Twig->new(

		twig_handleres => { '$epath' => \&normal}
		 
												);
		$twig->parse(\*DATA);
__DATA__
<gutbook>
  <book>
    <frontmatter>
      <titlepage>
        <title>THE ILIAD</title>
        <author>HOMER</author>
      </titlepage>
    </frontmatter>
    <bookbody>
      <chapter>
      <title>BOOK I</title>
        <para>
          Sing, O goddess, the anger of Achilles son of Peleus, that
          brought countless ills upon the Achaeans.
        </para>
       </chapter>
    </bookbody>
  </book>
</gutbook>