"Unique among books of maritime adventure." -Times Literary Supplement When the 46-foot Tzu Hang sailed from Australia into the vast Southern Ocean in December 1956, her crew of three couldn't know what terror awaited them. Six weeks later and several hundred miles west of Cape Horn, in the dead of night in a violent storm, they were somersaulted by a freak wave and nearly destroyed. When the boat righted itself, it was half full of water and dangerously...