Query with sorting

List the titles and years of all books published by Addison-Wesley after 1991, in alphabetic order.

<bib>
 {
   for $b in doc("bib.xml")//book[publisher = "Addison-Wesley"]
   order by ($b/title)
   return
    <book>
     { $b/@year } { $b/title }
    </book> 
 }
</bib>

Adapted from XML Query Use Cases