<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/Travel-Adventure/City-of-the-Soul-Audiobook/B002V0K04I?ref_=pd_of_lnk>