David Howarth served as a British naval officer during World War II running the Norwegian-manned spy ring whose name became the title of his first best selling book. He was a proli...ver másDavid Howarth served as a British naval officer during World War II running the Norwegian-manned spy ring whose name became the title of his first best selling book. He was a prolific author and his most famous book - The Shetland Bus has never been out of print since first publication.ver menos