<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:bok="http://mediamart.com/books"
        targetNamespace="http://mediamart.com/books">
<xs:simpleType name="genre">
  <xs:restriction base="xsd:string">
   <xs:enumeration value="Fiction" />
   <xs:enumeration value="NonFiction" />
  </xs:restriction>
 </xs:simpleType>
 
 <xs:simpleType name="format">
  <xs:restriction base="xsd:string">
   <xs:enumeration value="Hardcover" />
   <xs:enumeration value="Paperback" />
  </xs:restriction>
 </xs:simpleType>	
 
 
<xs:element name="books">
 <xs:complexType>
  <xs:sequence>
   <xs:element name="book" minOccurs="1" maxOccurs="unbounded">
   <xs:complexType>
    <xs:sequence>
  	  <xs:element name="title" type="xs:string"/>
      <xs:element name="author" type="xs:string"/>
      <xs:element name="price" type="xs:decimal"/>
     </xs:sequence>
    <xs:attribute name="genre" type="xs:string" use="required"/>
    <xs:attribute name="format" type="xs:string" use="required"/> 
  </xs:complexType>
 </xs:element>

	 

 </xs:sequence>
  </xs:complexType>  
 </xs:element>
 </xs:schema>