<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Introduction-to-Objectivist-Epistemology/AtYV71SUyEWG76z1ihqz_g?MixID=AtYV71SUyEWG76z1ihqz_g&PageNumber=1>