This code sample is adapted from Clifford B. Anderson and Joseph C. Wicentowski, XQuery for Humanists (College Station: Texas A&M University Press, 2020), 292. Download this code sample in its raw form. View the source on GitHub.

xquery version "3.1";

let $stylesheet := doc("books.xsl")
let $source := doc("books.xml")
let $options :=
    map {
        "stylesheet-node": $stylesheet,
        "source-node": $source
    }
return
    fn:transform($options)?output