<http://schema.org/contactOption>
"TollFree"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.christianbook.com/america-has-done-to-israel-ebook/john-mcternan/9781603741286/pd/23767EB?item_code=WW&netp_id=971887&event=EBRN&view=details&device=kindle>