The acclaimed comic series by Warren Ellis and Bryan Hitch is now an anything-goes RPG! The Authority is a group of immensely powerful heroes with bold visions. They are masked adventurers with an agenda and no reason to maintain the status quo. This core rulebook covers Ellis's run on the series, and contains all the rules and Tri-Stat System game material you need to create your own Authority campaign. Additionally, it's fully compatible with Guardians Of Order's d20 Superhero RPG, Silver Age Sentinels d20. Take your superheroes to the next level!