<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/business-law?categoryname=Business_Law&categoryid=xzhLKUD6Xk6BhtMkrpSytg&page=1&s=numpurchases&w=false>