<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/learning-disabled?categoryname=Learning_Disabled&categoryid=SQ1rNu0n5E-lwAOgt9YeKg&page=1&sort=PublicationDateDesc>