<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9780684802633_9780684802633_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.simonandschuster.com:80/books/SIMON-SCHUSTER-TWO-MINUTE-CROSSWORDS-Vol-3/David-King/9780684802633>