Donitz's Crews: Germany's U-Boat Sailors in WWII by French MacLeanTable of Contents With dozens of historical documents and over 400 photographs, the author not only presents a comprehensive history of U boat crews and the undersea war, but also shows how those with an interest in the U boat war can find U boat related artifacts and how they can trace many to specific boats and then research what those boats and crews accomplished. Over 400 color & b w images