In 1908, a brilliant American battleship gun designer dies in a sensational apparent suicide. The man's grief-stricken daughter turns to the legendary Van Dorn Detective Agency to clear her father's name. Van Dorn puts his chief investigator on the case, and Isaac Bell soon realizes that the clues point not to suicide but to murder.

Hired by the CIA to track down the U.S. Secretary of State in the aftermath of a suspicious plane crash in Libya, Juan Cabrillo uncovers a sinister plot by Libya's new foreign minister, a scheme with links to a 200-year-old naval battle and centuries-old Islamic scrolls.

Juan Cabrillo and the Oregon crew rescue beautiful Sloane Macintyre when her boat is attacked off the African coast, and face a deranged militant who plans to launch a devastating force of nature against those who oppose him.

Protecting a woman aviator whose violent husband has already committed one murder, Isaac Bell of the Van Dorn Detective Agency oversees the woman's participation in a daring 1910 cross-country race, which is being sponsored by a wealthy newspaper publisher.

"On the ocean liner Mauretania, two European scientists with a dramatic new invention are barely rescued from abduction by the Van Dorn Detective Agency's intrepid chief investigator, Isaac Bell. Unfortunately, they are not so lucky the second time. The thugs attack again-and this time one of the scientists dies. What are they holding that is so precious? Only something that will revolutionize business and popular culture-and perhaps something more....