Husband-and-wife team Sam and Remi Fargo are in Mexico, when they come upon a remarkable discovery: the skeleton of a man clutching an ancient sealed pot, and within the pot, a Mayan book, larger than anyone has ever seen. The book contains astonishing information about the Mayans, about their cities, and about mankind itself. The secrets are so powerful that some people would do anything to possess them--the Fargos are about to find out.

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.

Husband-and-wife team Sam and Remi Fargo are intrigued when an archaeologist friend requests their help excavating a top secret historical site. What they find will set them on a hunt for a prize greater than they could ever imagine. The clues point to the hidden tomb of Attila the Hun, the High King who was reportedly buried with a vast fortune of gold and jewels. The Fargos find themselves pitted against a group of treasure hunters, a cunning Russian...

"It is 1921, and both Prohibition and bootlegging are in full swing. When Isaac Bell's boss and lifelong friend Joseph Van Dorn is shot and nearly killed leading the high-speed chase of a rum-running vessel, Bell swears to him that he will hunt down the lawbreakers, but he doesn't know what he is getting into. When a witness to Van Dorn's shooting is executed in a ruthlessly efficient manner invented by the Russian secret police, it becomes clear...

When the leader of a militant communist insurgency in the Philippines escapes capture from the U.S. government with almost supernatural ease, it's up to Juan Cabrillo and the crew of the Oregon to catch him. Tracing the Filipino insurgent through his drug lord allies, Cabrillo learns his new adversary has his eye on an addictive chemical compound developed during World War II that can turn civilians into supersoldiers. And he's not the only one. An...

While scuba diving in Tanzania, Sam and Remi Fargo discover a relic belonging to a long-lost Confederate ship named the "Shenandoah." An anomaly about the relic sets them off chasing a mystery, and a rumored second artifact, but, unknown to them, a much more powerful force is engaged in the same chase.