The Sigma Protocol - Hardcover

Accompanied by a beautiful American justice department agent, Ben eludes the assassins on his trail and follows Sigma's tentacles across Europe, to Brazil, Washington, and finally to a sanitarium known as the Clockworks in the Austrian Alps, where the horrifying agenda of a perverted new world order is revealed. Ludlum, who died between the writing and publishing of this book, was a master of the genre he helped popularize, and The Sigma Protocol shows him at the peak of his craft. --Jane Adams

"Dazzling."―Publishers Weekly

Ben Hartman is vacationing in Zurich, Switzerland when he chances upon his old friend Jimmy Cavanaugh―a madman who's armed and programmed to assassinate. In a matter of minutes, six innocent bystanders are dead. So is Cavanaugh. But when his body vanishes, and his weapon mysteriously appears in Hartman's luggage, Hartman is plunged into an unfathomable nightmare...

"Vintage Ludlum."―Houston Chronicle

Meanwhile, Anna Navarro, field agent for the Department of Justice, has been asked to investigate the sudden, random deaths of eleven men throughout the world. The only thing that connects them? A secret file, over a half-century old, that's linked to the CIA―and is marked with the same puzzling codename: Sigma.

"Ludlum still dominates the field in adventure-drenched thrillers."―Chicago Tribune

As Anna follows the connecting thread―and Hartman finds himself on the run―she ends up in the shadows of a relentless killer who is one step ahead of her...victim by victim. Now, she and Hartman together must uncover the diabolical secrets long held behind Sigma. It will threaten everything they think they know about themselves―and confirm their very worst fears...
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