<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9781580422543_9781580422543_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/Ken-Warren-Teaches-Texas-Holdem-Volume-2/Ken-Warren/9781580422543>