A Necessary Kill — James P. Sumner

Adrian Hell is back in this latest, tense, pulse-pounding adventure The world has just experienced the most devastating nuclear terrorist attack in history. Having discovered proof the conspiracy behind it reaches the upper echelons of the U.S. government, legendary assassin, Adrian Hell, finds himself up against an adversary too powerful to overcome alone. Wanted as an enemy of the state and cut off from his friends, Adrian must search for new allies to combat the unprecedented threat. He brings together the best killers he can find, offering them a huge payday in exchange for their help. But as the stakes get higher, they all come to realize what they're being asked to do is about more than just money... The nuclear attack was only the beginning. The horrifying conspiracy runs deeper than even Adrian knows, and time is running out to save the world from a war no one knows is coming. Book 5 in the bestselling series from the UK's premier thriller writer, James P. Sumner.