<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/ebook/The-Tomb-of-Hercules-Novel?bookId=1c2dc4c9-6c8d-4a1a-ad98-9d134600e97e>