<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.com/pd/Business/Summary-of-Born-for-This-How-to-Find-the-Work-You-Were-Meant-to-Do-Audiobook/B01E5TY94O>