<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/book/Reflections-on-the-Revolution-France/HCx_r8R78k2DRCC9qdfz3w?MixID=HCx_r8R78k2DRCC9qdfz3w&PageNumber=1>