The first three novels in the series featuring a master of psychological influence who goes head-to-head with the most twisted criminal minds.   The world’s foremost expert on influence and communication, Marcus Kline can tell what you’re thinking. He can see inside you, step inside your mind. In these three thrillers, he assists the police in outmaneuvering those who have similar manipulative abilities—but use them for evil . . .   Influence When murder victims bear the horrific hallmarks of an intelligent and remorseless serial killer, Detective Inspector Peter Jones turns to Marcus for help. As the killer sets a deadly pace, the irresistible and terrifying power of influence threatens friendships, reputations, and lives—and when events appear to implicate the great Marcus Kline himself, everyone involved will learn that the worst pain isn’t physical . . .   Belief Serial killer and master hypnotist Ethan Hall has escaped from hospital, seeking revenge on the man who helped take him down. Using language to bend people to his will, influencing others to carry out destructive acts, Hall targets Marcus Kline and those closest to him in the most personal and savage ways. While Marcus tries desperately to save his cancer-stricken wife and rebuild his life, reputation, and shattered self-confidence, Ethan Hall has other plans.   Faith The time has come for Ethan Hall to be tried in Crown Court. And the result is far from certain. The unanswered question: How do you prevent the world’s most destructive killer from wreaking havoc in a courtroom? Meanwhile, a new wave of murders is being recorded and shared on social media, inciting ever more extreme behaviour—which may linked to the Hall case. Murder is spreading like a virus, and a master hypnotist must be brought to justice . . .