Prologue: "Wonders in the deep" -- Act 1: "Their wits' end." The emerald city -- The golden time -- Sheepdogs and wolves -- Act 2: "The stormy wind." The season on the line -- The lavatory man -- The herbivore -- The human factor -- The carnivore -- The funhouse -- Black May -- The phantom fleet -- The suicide stretch -- The lemon -- The can-do king -- Act 3: "Business in great waters." Nineteen minutes -- The boarding party -- Nemo -- Topsy-turvy -- Epilogue: "Their desired haven."

"Shortly before noon on June 4, 1944, the sonar operator on a destroyer prowling off the coast of West Africa heard a sharp, metallicping. The sound could mean only one thing: the German submarine that their hunter-killer group had been tracking, U-505, was lurking somewhere below. The ensuing struggle between exhausted hunter and venomous prey would make history when American sailors boarded an enemywarship at sea for the first time since the War of 1812. That day'svictory was the culmination of an unrelenting campaign against the Nazi submarine threat by the U.S. Navy's 'Tenth Fleet'--a mysteriousunit that could predict the locations and movement of Hitler's U-boats. Run by Commander Kenneth Knowles, Tenth Fleet had guided Captain Dan Gallery to U-505; to repay the favor, Gallery was going to steal an Enigma machine for him"--