In April 1950, the rusting hulk of a steam locomotive rises from the waters of a Montana lake, revealing the remains of three men who died 44 years before and astonishing all those who look on. In 1906, the American West has been suffering a two-year crime spree: a string of bank robberies committed by one man who murders all witnesses, and then vanishes without a trace. The US government brings in the best man they can find -- a no-nonsense detective...

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.

An invention that could change the world. A ruthless agent that could destroy it. Only Isaac Bell can save it. On the ocean liner Mauretania, two European scientists with a groundbreaking new invention are rescued from abduction by the Van Dorn Detective Agency's intrepid chief investigator, Isaac Bell. Unfortunately, they are not so lucky when one of the thugs attacks a second time. What are the scientists holding that is so precious? Something that...

Preparing to investigate Standard Oil's monopoly when a sniper shoots key opponents and blows up an independent refinery, Van Dorn private detective Isaac Bell engages in a daring cat-and-mouse chase through America and Russia to stop the killer.

"The year is 1911. Chief Investigator Isaac Bell of the Van Dorn Detective Agency has had many extraordinary cases before. But none quite like this. Hired to find a young woman named Anna Pape who ran away from home to become an actress, Bell gets a shock when her murdered body turns up instead. Vowing to bring the killer to justice, he begins a manhunt which leads him into increasingly more alarming territory. Anna Pape was not alone in her fate...

As New England swelters in the summer of 1914, Detective Isaac Bell is asked to investigate a cache of missing rifles -- only to discover something much more sinister involving a transistor radio set to summon German U-Boats.