<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9780892816644_9780892816644_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/The-Yoga-of-Spiritual-Devotion/Prem-Prakash/9780892816644>