<http://schema.org/keywords>
"Fiction, Science-Fiction, Teen, Social Situations, Action & Adventure, Parenting, Alien-Invasion, Aliens, First Contact, Galactic Empire, Genetic Engineering, Secret Baby, Space Fleet, Space Marine"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/Mothership/Martin-Leicht/The-Ever-Expanding-Universe/9781442429604>