<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/Romance/A-Knight-in-Shining-Armor-Audiobook/B009KR8TGG?ref_=listener__c1_7>