<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/statistics-5?categoryname=Statistics&categoryid=GLhmSlpDd0if5Oq-VNecUg&page=1&sort=PublicationDateDesc>