<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/The-Jewish-State/-pW08Wi_hUuUkp2n7147sQ?MixID=-pW08Wi_hUuUkp2n7147sQ&PageNumber=1>