<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.com/pd/Science-Technology/The-Botany-of-Desire-Audiobook/B002VA96YS?ref_=listener__c1_1&_escaped_fragment_=%2FfollowNotice%2Fclose>