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Secrets of the Viking Navigators: How the Vikings Used their Amazing Sunstones and other Techniques to Cross the Open Ocean

Secrets of the Viking Navigators: How the Vikings Used their Amazing Sunstones and other Techniques to Cross the Open Ocean
by

Leif K. Karlsen

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Secrets of the Viking Navigators: How the Vikings Used their Amazing Sunstones and other Techniques to Cross the Open Ocean

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Secrets of the Viking Navigators: How the Vikings Used their Amazing Sunstones and other Techniques to Cross the Open Ocean

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Secrets of the Viking Navigators: How the Vikings Used their Amazing Sunstones and other Techniques to Cross the Open Ocean