<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Hipstamatic/K_a_-U5fGEeqldmpZ4_K8w?MixID=K_a_-U5fGEeqldmpZ4_K8w&PageNumber=1>