<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9781416900900_9781416900900_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/Meet-the-Phonees/Jessica-Wollman/Penelope-Fritter-Super-Sitter/9781416900900>