Sea wolves

"Sea Wolves is the story of the crews who bravely manned British submarines in the Second World War. This small band of highly trained and highly skilled individuals fought in the front line for six long years, undertaking some of the most dangerous missions of the war. Britain's Sea Wolves operated close to shore in mined waters, attacking warships and heavily guarded convoys. But in the course of these vital operations, the submariners suffered devastating casualties.This is the vivid, thrilling story of the survivors and their promising young comrades who fought with such courage, in the face of the sickening terror of depth-charge attacks and the cold fear of having to escape from a sunken submarine filled with the bodies of close friends"--Publisher's description.