<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/Bios-Memoirs/Thomas-Jefferson-The-Art-of-Power-Audiobook/B009R9KT74/ref=det_sim_narr_3>