<http://schema.org/target>
"http://www.audible.com/search?advsearchKeywords={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.com/pd/Newspapers-Magazines/The-New-York-Times-Audio-Digest-October-08-2010-Audiobook/B003ES1D8S>