Dead Ice

"Navy SEAL Dane Maddock leads a team of operatives in a race against Russian Spetznaz agents to find a lost nuclear submarine and recover a threat known only as Romanov's Bane, but the frozen wasteland of Wrangel Island is home to more than enemy soldiers. Soon, Dane and Bones find themselves face-to-face with dangers thought long extinct" — quoted from the book's product page on Amazon.com as of 2015-04-10.