<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/Arts-Entertainment/Ralph-Rucci-with-Ike-Ude-Audiobook/B002V5GT4S?ref_=cat_9>