The book explores the strategic and economic importance of the Scandinavian bridgehead in World War II, the struggle for it by imperialist groups, analyzes the peculiarities of hostilities in the Arctic and the coastal theater of operations. Based on large factual material, including new documents from foreign archives, the author shows the role and place of the Scandinavian countries in the Barbarossa plan, the use of their territories and bases by the Wehrmacht high command as a bridgehead for fighting in the Northern Sea Theater, as well as for the invasion of the northern regions of the USSR, covers the contribution of the Soviet Armed Forces to the collapse of Hitler's plans in Scandinavia