To Fight For (The Killing Machine #3) by Phillip Hunter

FIGHTING IS ALL HE KNOWS.

Before he became an assassin in London's underworld, Joe was a bare-knuckle boxer. Before that he was a soldier in the British army. But nothing prepared him for this.

REVENGE DRIVES HIM FORWARD.

On the streets of East London, a turf war is raging. And Joe has no choice but to join the fight. It's the only way he can find out what happened to the woman he loved - the only way he can bring her killers to justice.

EITHER THEY DAY, OR HE DOES...