This is a unique encyclopedic study of the actions of the submarine fleet of Nazi Germany in the Second World War. Its author is an American journalist, a specialist in naval history, and a former submariner who served during the war in the Pacific Ocean. The book "Hunters", covering the period from 1939 to 1942, tells about the successful operations of German submarines against the British and American fleets. It was these victories that nearly led Britain to economic and military disaster.K. Blair, having collected a huge amount of factual material, gives a description of the German submarine campaign literally hour by hour from the first days of the war. Intended for a wide range of readers, both specialists and military history buffs.