A mother pleads with her son not to sail on a certain steamer because she has dreamt - three times in a row - that the vessel will never reach its destination. Modern-day observers watch in awe as a ghost ship - blazing from bow to stern - dutifully re-enacts a two-hundred-year-old tragedy that the observers' fathers and grandfathers also watched re-enacted with the same sense of awe.A crewman walks past a solitary figure seated in the ship's restaurant only to turn a moment later and find the restaurant empty. A red glow appears in the darkness ahead of a modern warship, and the faint outline of an old galleon, her sails in tatters, is seen approaching against the wind - only to vanish a moment later before the startled eyes of observers. Such strange events have been seen for centuries and continue to be reported even today by witnesses who are, for the most part, sober and responsible human beings. In "Lost at Sea", folklore specialist Michael Goss and George Behe, an expert on maritime disasters, explore what lies behind these amazing narratives and enduring legends.