Листинг 15.1. Файл books.Xml

<library shelf="Recent Acquisitions">

 <section name="Ruby">

  <book isbn="0672328844">

   <title>The Ruby Way</title>

   <author>Hal Fulton</author>

   <description>Second edition. The book you are now reading.

    Ain't recursion grand? </description>

  </book>

 </section>

 <section name="Space">

  <book isbn="0684835509">

   <title>The Case for Mars</title>

   <author>Robert Zubrin</author>

   <description>Pushing toward a second home for the human

    race. </description>

  </book>

  <book isbn="074325631X">

   <title>First Man: The Life of Neil A. Armstrong</title>

   <author>James R. Hansen</author>

   <description>Definitive biography of the first man on

    the moon. </description>

  </book>

 </section>

</library>