The story is told through the words of the author's dad, John Shirley, a Sub-lieutenant in the Royal Navy on board the Alnwick Castle; and Herbert Lochner, a mechanical engineer on the submarine U425. They fought separate wars, but were brought together in one dramatic and tragic incident that changed their lives forever. Find yourself immersed in life aboard a Royal Navy minesweeper on the River Thames and an Arctic convoy Royal Navy corvette. Experience life as a German submariner, below the waves in a U-boat. Immerse yourself in the emotions of both combatants, their humour and their appreciation of the beauty of the Arctic Ocean. This account is richly illustrated by John Shirley, with original water colours, painted from memory and based on sketches made at the time

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