<eb:book xmlns:eb="http://example.com/eBook">
  <eb:title>Test Book</eb:title>
  <eb:chapter>
    <eb:title>Ch1</eb:title>
    <eb:para>p1.1</eb:para>
    <eb:para>p1.2</eb:para>
    <eb:para>p1.3</eb:para>
  </eb:chapter>
  <eb:chapter>
    <eb:title>Ch2</eb:title>
    <eb:para>p2.1</eb:para>
    <eb:para>p2.2</eb:para>
  </eb:chapter>
</eb:book>