现有bookstore.xml
<bookstore>
<book category="COOKING">
  <title lang="en">Everyday Italian</title> 
  <author>Giada De Laurentiis</author> 
  <year>2005</year> 
  <price>30.00</price> 
</book>
<book category="CHILDREN">
  <title lang="en">Harry Potter</title> 
  <author>J K. Rowling</author> 
  <year>2005</year> 
  <price>29.99</price> 
</book>
<book category="WEB">
  <title lang="en">Learning XML</title> 
  <author>Erik T. Ray</author> 
  <year>2003</year> 
  <price>39.95</price>
  <press>Prentice Hall</press>
</book>
</bookstore>
如何用MSXML查询特定书名的出版社信息?
如Harry Potter的出版社?Learning XML的出版社?
我是初学者,请给出详细代码。谢谢!