The Kill Switch

In the gripping first installment of a new thriller series by bestselling authors James Rollins and Grant Blackwood, former Army Ranger Tucker Wayne and his loyal military working dog Kane embark on a perilous mission for Sigma Force. Tasked with extracting a Russian pharmaceutical magnate who possesses the key to a formidable weapon system, they navigate from the icy terrains of Siberia to the sun-drenched savannahs of Africa. As they unravel a mystery rooted in the very origins of life on Earth, they race against time to prevent an ancient threat from wreaking havoc on modern civilization.