The 1950 discovery of four bodies inside a sunken steam locomotive in a Montana lake gives way to the story of a murderous 1906 bank robber whose ruthlessness challenged Isaac Bell, a talented detective struggling to identify and capture 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--petite...

A century apart, NUMA Director Dirk Pitt and detective Isaac Bell team up to unlock the truth about the most famous maritime disaster of all time. In the present day, Pitt makes a daring rescue from inside an antiquated submersible in the waters off New York City. His reward afterwards is a document left behind a century earlier by legendary detective Isaac Bell--a document that re-opens a historical mystery...In 1911, in Colorado, Isaac Bell is asked...

"In the summer of 1914, Detective Isaac Bell is asked to investigate a cache of missing rifles but discovers something much more sinister. Whoever broke into this Winchester factory wasn't looking to take weapons; they wanted to leave a radio transmitter, set to summon a fleet of dreaded German U-boats. Someone is trying to keep American supplies from reaching British shores. Bell must hunt down a new piece of technology that is allowing the Germans...

When a scientist he recently rescued from kidnappers is murdered, private investigator Isaac Bell discovers that a ruthless agent wants the scientist's secret new invention in order to exploit it to seize power for Germany.