LISTING 1: List of Authors and Their Books

<authors>
  <author au_lname="Ringer" au_fname="Albert">
	<book title="Is Anger the Enemy?"/>
	<book title="Life Without Fear"/>
  </author>
  <author au_lname="Ringer" au_fname="Anne">
	<book title="Is Anger the Enemy?"/>
  </author>
</authors>