Investigating a series of attacks on the Southern Pacific Railroad's Cascades express lines, Detective Bell learns of the existence of an elusive saboteur who recruits and murders his own accomplices while engineering schemes of maximum havoc.

Bell has never encountered a case- and an enemy- quite like the one before him now, though. It is 1910, the age of flying machines is still in its infancy, and newspaper publisher Preston Whiteway is offering $50,000 for the first daring aviator to cross America in less than fifty days. He is even sponsoring one of the prime candidates- an intrepid aviatrix named Josephine Frost- and that's where Bell, chief investigator for the Van Dorn Detective...

It is 1902, and a bright, inexperienced young man named Isaac Bell, only two years out of his apprenticeship at the Van Dorn Detective Agency, has an urgent message for his boss. Hired to hunt for radical unionist saboteurs in the coal mines, he is witness to a terrible accident that makes him think that something else is going on, that provocateurs are at work and bigger stakes are in play. Little does he know just how big they are. Given exactly...

"As Van Dorn private detective Isaac Bell strives to land a government contract to investigate John D. Rockefeller's Standard Oil monopoly, the case takes a deadly turn. A sniper begins murdering opponents of Standard Oil, and soon the assassin - shooting with extraordinary accuracy at seemingly impossible long range - kills Bell's best witness, a brave and likable man. Then the shooter detonates a terrible explosion that sets the victim's independent...

"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...