<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/ebook/the-old-girl-s-book-of-dreams-how-to-make-your-wishes-come-true-day-by-day-and-night-by-night>