<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/Get-Me-Out-of-Here-Audiobook/B007OXCB3A?ref_=pd_sim_narr_2>