<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/production-operations-management?categoryname=Production__Operations_Management&categoryid=6Y4mo1qIpU6mawTdRu7Q1Q&page=3&s=numpurchases&w=false>