Hostile Sea: The U-Boat Offensive around the Isle of Man during World War One

Hostile Sea is invaluable to those interested in Manx and maritime history, World War One or those investigating a family ancestor involved in the action. The information on wreck sites and how to locate them on the seabed with reliable GPS coordinates also provides the sports diver and boat angler with the premier guide on World War One shipwrecks around the Isle of Man.

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