<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/Fiction/A-Visit-from-the-Goon-Squad-Audiobook/B003OYDQGY?ref_=listener__c1_6_i>