<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.idwpublishing.com/?c2c_collection_editor=2807&c2c_cover_artist=1990&c2c_writer=1735&q=locke%20vol%20%2526%20key>