In July 1881, Lt. A.W. Greely and his crew of 24 scientists and explorers were bound for the last region unmarked on global maps. Their goal: Farthest North. What would follow was one of the most extraordinary and terrible voyages ever made. Based on the author's exhaustive research, the incredible true story of the Greely Expedition, one of the most harrowing adventures in the annals of polar exploration.