<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Your-First-Year-with-Diabetes/i9n7RdI29EaSj9dfm9ULNg?MixID=i9n7RdI29EaSj9dfm9ULNg&PageNumber=1>