<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9780743497442_9780743497442_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/The-Right-Words-at-the-Right-Time-Volume-2/Marlo-Thomas/9780743497442>