<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/Search/Query?q=Ella%27s%2520Big%2520Chance%2520-%2520A%2520Jazz%2520Age%2520Cinderella%2520Shirley%2520Hughes>