<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/Selected-Shorts-A-Touch-of-Magic-Audiobook/B003DKN1KU/ref=pd_rsp_tl_rd_3>