Textbooks say that the Ancients did not have the guts to brave the open sea, out of sight of land and exposed to the elements, but not surprisingly, Dr. Ballard and his crew are out again to rewrite history. In Wrecks of the Abyss, captain and crew sail out into the deep water sea lanes of the Mediterranean in search of ancient shipwrecks that generations of scholars have written-off as impossible finds.

• Bob Ballard