Greatest Enemy
David Rivers is an Army Ranger—a combat veteran of the wars in Afghanistan and Iraq. He has almost completed his final year at West Point when his world is turned upside down by a sudden discharge from military service. Angry and confused, David soon hits rock bottom.
And that's when they appear.
Three mysterious men. Men who know David's dark secret—they know that he has murdered someone in cold blood.
And they want him to do it again.
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Jason Kasper
Jason Kasper doesn’t write thrillers that let you breathe easy. He writes the kind that drag you into the shadows and keep you there, pulse ticking, until the final chapter. His work is a high-wire act of tension and authenticity—because he’s not just imagining danger. He’s lived it.
Before turning to fiction, Kasper served as a U.S. Army Special Forces officer, with combat deployments in Afghanistan and a firsthand understanding of the stakes behind the missions. That real-world experience bleeds through every page of his bestselling Shadow Strike and Spider Heist series. You can feel it in the precision of the action scenes, in the way his characters calculate risk and navigate chaos. These aren’t just thrillers—they’re field-tested adrenaline shots.
American Mercenary
American Mercenary consists of six books. The current recommended reading order for the series is provided below.
