From bestselling authors James Rollins and Grant Blackwood, the first
installment in an exciting new thriller series based on the Sigma Force novels
featuring former Army Ranger Tucker Wayne and his partner, Army working dog
Kane, introduced in the New York Times bestseller Bloodline and the e-original
story "Tracker."
Former Army Ranger Tucker Wayne and his military working dog Kane are recruited
by Sigma Force to extract a Russian pharmaceutical magnate from Siberia. A
scientific genius, the drug tycoon holds the biological key to a new weapon
system, a danger engineered from the ancient past to terrorize the modern world.
From the frozen steppes of Russia to the