<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/Kids/Kingdom-of-Hamelot-Series-III-Audiobook/B00DWBUCSY?ref_=cat_22396_c10_7_t>