<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ContactPoint>
<http://www.christianbook.com/the-happiest-baby-guide-great-sleep/harvey-karp/9780062113320/pd/11332X?item_code=WW&netp_id=1016157&event=EBRN&show_all_cr=1>