Collects the hit 6-issue mini-series of 2011, along with a complete cover gallery! The story of Billy Butcher, the Boys' mysterious leader, is told at last! From the backstreets of London's East End to the carnage of the Falklands War, from the heights of love to the depths of tragedy, the most violent man in comics reveals the terrible nature of the forces that drive him. And when he's done, he'll be ready - to finish things once and for all!