<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/sci-fi-fantasy?categoryname=Sci_Fi__Fantasy&categoryid=9-ZhFS90G0yoBBh3KIFFdA&page=1&s=numpurchases&w=false>