<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ContactPoint>
<http://www.christianbook.com/watchers-the-ebook-mark-olsen/9781441208408/pd/12622EB?item_code=WW&netp_id=853910&event=EBRN&view=details&device=ios>