Wolfpack: Inside Hitler’s U-Boat WarA Times and Waterstones Book of the Year 'A superb work of history' JAMES HOLLAND 'A thrilling account from a master of Second World War history' DAN SNOW A landmark history of the U Boat war told through the experiences and recollections of the U Boat crews themselves. Winston Churchill famously remarked that the threat of the German U Boats was the only thing that had really frightened him during World War Two. The U Boats certainly claimed a bitter