<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Fifty-Shades-of-Thrifty/P8F5vySQEEiXIs6tiy8PQA?MixID=P8F5vySQEEiXIs6tiy8PQA&PageNumber=1>