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Atlas Of Maritime History
By Natkiel, Richard and Preston, Antony
Descripton: This books covers everything from the Battle of Salamis to the Rise of the Soviet Navy. What makes it interesting for you are the pages 183 to 188, the Battle of the Atlantic. These pages have excellent maps made by Richard Natkiel (his maps appear in many other books) describing Allied and neutral merchant ships sunk, U-boats sunk, U-boat supply ships sunk, convoy routes, Allied air cover zones, and Axis occupied territory.