<?xml version="1.0"?>
<rules xmlns="http://purl.oclc.org/dsdl/nvdl/ns/structure/1.0">
   <namespace ns="http://www.books.org">
     <validate schema="Book.rng" />
   </namespace>
   <namespace ns="http://www.nytimes.org">
     <validate schema="NYtimes.xsd"/>
   </namespace>
</rules>
