During World War I, vital convoys sailed the Arctic Ocean to Russia; during each epic voyage they faced freezing temperatures, rough weather, and the fierce barrage of German U-boats and aircraft. In a freshly researched, exciting account of these hard-fought voyages, follow these convoys through their years of action. Among the highlights: an entire chapter on the PQ17 debacle, new revelations from Russian sources, and an unsentimental assessment of whether the price of victory in the Arctic may have been too high.