<http://schema.org/numberOfPages>
"304"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://books.simonandschuster.com/Zero-Regrets/Apolo-Ohno/9781451609073?intcmp=l_fl&cp_type=l_fl_books_detail_empire%20of%20dreams_scott%20eyman_hardcover_9780743289559&prefd=l_fl_9781451609073>