Novel
On March 30, 2011, it was announced that a novelization of Killzone 3, titled Killzone: Ascendancy and written by Sam Bradbury, is now available from Penguin Books in paperback format and from Amazon.com in Kindle format. According to the PlayStation.Blog post, "the author delved deep into the game’s story to answer...questions" about the game, such as what drives Sev and Rico's actions.
Read more about this topic: Killzone 3