<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Twenty-Funny-Stories-Book-2/Bl9usbmeak29PUmQcbkG8w?MixID=Bl9usbmeak29PUmQcbkG8w&PageNumber=1>