<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/Live-Events/In-Real-Life-Audiobook/B002UZMZN8?ref_=cat_22268_c9_3_i>