"Treason, torture and temptation haunt the GhostWalkers in their most dangerous adventure yet ... Rescuing an industrial spy from the hands of a criminal mastermind is a suicide mission for the GhostWalkers. And there's no one more up to the task than Gino Mazza. He's the perfect killing machine-- a man driven by demons so dark and destructive that his blighted soul has given up trying to find solace. But his laser-sharp focus on his target has transformed...