The Ghost Ships of Archangel

"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 $1 billion worth of war supplies to the Soviet port of Archangel--the limited help Roosevelt and Churchill extended to Soviet dictator Joseph Stalin to maintain their fragile alliance, even as they avoided joining the fight in Europe while the Eastern Front raged"--