FAITH: The Sci-Fi RPG Core Book 2nd Edition - Rules of Play says:
The Core Book is the centerpiece of FAITH, and it will allow you and your friends to play bold adventures in its universe. It covers the rules and mechanics of the game, the setting and story of the universe, and everything in between. Beautifully illustrated, it will allow you to dive into a sci-fi setting with political intrigue, high octane action and strategical gameplay.