<?xml version="1.0" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
  targetNamespace="http://www.oaltd.co.uk/ProExcelDev/Author"
  xmlns="http://www.oaltd.co.uk/ProExcelDev/Author">
  <xs:element name="Author">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="Name" type="xs:string" />
        <xs:element name="Email" type="xs:string" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="Book" minOccurs="0" maxOccurs="unbounded">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="Title" type="xs:string"/>
              <xs:element name="Publisher" type="xs:string"/>
              <xs:element name="ISBN" type="xs:string"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>