<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9781439110249_9781439110249_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/On-the-Origin-of-Tepees/Jonnie-Hughes/9781439110249>