<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Squid-The-Definitive-Guide/QsFFf3KAV0-61ewqpfzSgg?MixID=QsFFf3KAV0-61ewqpfzSgg&PageNumber=1>