<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9781451648539_9781451648539_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.ca/Steve-Jobs/Walter-Isaacson/9781451648539>