<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/10/137348523-520x245.jpg>
<http://thenextweb.com/apple/2012/10/20/mention-of-ibooks-3-0-discovered-in-recent-itunes-listing-supporting-books-focus-for-ipad-mini-event/>