<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
	<xs:element name="books">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="book" maxOccurs="unbounded">
					<xs:complexType>
						<xs:sequence>
							<xs:element name="title" type="string"/>
							<xs:element name="author" type="string"/>
						</xs:sequence>
						<xs:attribute name="id" type="xs:integer"/>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
</xs:schema>
