<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/iPhone-Mac-Wrox-Book-Bundle/Dh08dYnTr0GPgQ2liXI1CA?MixID=Dh08dYnTr0GPgQ2liXI1CA&PageNumber=1>