<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/trial-practice?categoryname=Trial_Practice&categoryid=oQa-zU_XrUqeM6k3NFPUTA&page=2&s=titledesc&w=false>