<http://schema.org/keywords>
"Action & Adventure, Fiction, Suspense, Thriller, Christian Interest, Social Situations, Summer Reading, International, Inspirational, British, Princess, Russian"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.simonandschuster.com/books/The-Romanov-Conspiracy/Glenn-Meade/9781451669459>