<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/ebook/Killing-Lincoln-The-Shocking-Assassination?bookId=3b01233a-b00e-4b81-a0c2-3a8d05d8b9ab>