<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9781421542911_9781421542911_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.ca/Bakuman-Vol-15/Tsugumi-Ohba/Bakuman/9781421542911>