But for almost two years his ships HMS Terror and Erebus have been trapped in the Arctic ice. Supplies of fuel and food are running low. Scurvy, starvation and even madness have begun to take their toll. And yet the real threat isn't from the constantlyshifting, alien landscape, the flesh-numbing temperatures or being crushed by the unyielding, frozen ocean. No, the real threat is far more terrifying.Because there is something out there in the frigid darkness. It stalks the ships and snatches men.It is a nameless thing. At once nowhere and everywhere, this terror will become the expedition's nemesis...