<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Class-Matters/vZke8p78OEWTdjgu7Ee1lg?MixID=vZke8p78OEWTdjgu7Ee1lg&PageNumber=1>