<?xml version="1.0" encoding="UTF-8"?>
<element name="Book" xmlns="http://relaxng.org/ns/structure/1.0">
    <element name="Title">
        <text/>
    </element>
    <element name="Author">
        <text/>
    </element>
    <element name="Date">
        <text/>
    </element>
    <element name="ISBN">
        <text/>
    </element>
    <element name="Publisher">
        <text/>
    </element>
</element>