Cold Vengeance audiobook, by Douglas Preston... Nothing is what it seems.Devastated by the discovery that his wife, Helen, was murdered, Special Agent Pendergast must have retribution, but revenge is not simple.As he stalks his wife's betrayers, in a chase that takes him from the wild moors of Scotland to the bustling streets of New York City and the darkest bayous of Louisiana, he is also forced to dig further into Helen's past. And he is stunned to learn she may have been a collaborator in her own murder.Peeling back the layers of deception, Pendergast realizes the conspiracy is deeper and more monstrous than he could have ever imagined, and it goes back generations. Everything he's believed, everything he's trusted, everything he's understood may be a horrific lie.