<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/The-Nationals-Past-Times-Baseball-Stories/N_K4Tg7-tUObF9SsBdfN5Q?MixID=N_K4Tg7-tUObF9SsBdfN5Q&PageNumber=1>