<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/The-Lion-the-Fox-Eagle/eVpAt5zmtkaHOmXhR-lTIw?MixID=eVpAt5zmtkaHOmXhR-lTIw&PageNumber=1>