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The New York Times bestselling author of The Fourth Procedure delivers a breathtaking thriller of a man and woman crossing the boundaries of good and evil as past and present converge with terrifying implications…

HE'S TRAINED IN THE SCIENCE OF EVIL…
Christmas Eve in Auschwitz, 1944. Hitler's Angel of Death, Dr. Josef Mengele, and his brilliant young protégé, Adalwolf, are on the verge of a nightmarish medical discovery when the war brings it all to an end. But Mengele's insane visions for the Third Reich live on.

SHE'S SKILLED IN THE ART OF THE HUNT…
More than half-a-century later, FBI agent Melissa Gale's mission is to bring Adalwolf to justice before it's too late. He's emerged from the shadows of history to resurrect a biological terror and unleash it on the world. But tracking him is easier than Melissa imagined. Because for years, Adalwolf has been tracking her.

BUT WHICH ONE IS THE PREY?
Melissa and her unborn child have something Adalwolf needs-a genetic history that holds the key to his success. As a dance of death is engaged between hunter and hunted, Melissa realizes how far the last Nazi will go to fulfill his dark dreams for his Ultimate Solution-and just how far she is prepared to go to stop him…

"By the time you've finished reading, you'll be convinced this isn't just great suspense, but a kind of mind terror you can't forget."

-Nelson DeMille,
author of Up Country and The General's Daughter

"From the first shocking page, [The Final Procedure] is an unstoppable ride with hairpin twists and turns. This is the best book yet from a master who truly knows how to thrill."

-Tess Gerritsen,
author of The Apprentice and The Surgeon