<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/ebook/you-are-an-ironman-how-six-weekend-warriors-chased-their-dream-of-finishing-the-world-s-toughest-triathlon>