An extraordinary story of survival and alliance during World War II: the icy journey of four Allied ships crossing the Arctic to deliver much needed supplies to the Soviet war effort. On the fourth of July, 1942, four Allied ships traversing the Arctic separated from their decimated convoy to head further north into the ice field of the North Pole, seeking safety from Nazi bombers and U-boats in the perilous white maze of ice floes, growlers, and giant bergs. Despite the risks, they had a better chance of survival than the rest of Convoy PQ-17, a fleet of thirty-five cargo ships carrying