<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
    <xsl:variable name="book_type" select="/book/type" />
    <xsl:variable name="language" select="/book/language" />
    <xsl:variable name="title" select="/book/title" />
</xsl:stylesheet>