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Prevent Danger on the High Seas!

From fires to pirate attacks and major crimes, cruise ships can go from fun to terrifying in an instant! CNBC correspondent Peter Greenberg details how to avoid danger in the open ocean!

How to prevent danger on the high seas.

Greenberg's book "Don't Go There!" is available now, and "Cruise Inc: Big Money on the High Seas" airs tonight at 9 on CNBC.