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Black Shield: A Jason "Hawk" Mercer Thriller

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"Explosive, razor-sharp, and terrifyingly timely, Black Shield catapults readers into a relentless black ops mission where the real enemy wears red, white, and blue—perfect for fans of Vince Flynn and Brad Thor craving a high-stakes thrill ride that hits disturbingly close to home." – NewInBooks.com


Some enemies hide behind borders. Others wear the flag.


Lieutenant Jason “Hawk” Mercer doesn’t play by the book. His record is decorated, his instincts are lethal—and his disregard for protocol has finally caught the attention of someone who needs men like him.

Recruited into Black Shield, a black ops strike team that doesn’t officially exist, Hawk is thrown into the heart of a domestic threat no one’s prepared to face. A stolen radioactive source. A homegrown insurgency. And a silent countdown to an unthinkable attack.

As the team chases leads from the backroads of the Midwest to the corridors of power, one thing becomes the enemy isn’t just inside the gates... they’ve been invited in.

Fast-paced, tactical, and terrifyingly plausible, Black Shield is the explosive first entry in a new military thriller series for fans of Vince Flynn, Brad Thor, and Jack Carr.

274 pages, Kindle Edition

Published May 27, 2025

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J.R. Hamilton

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6 reviews
June 22, 2025
Black Shield is a high-octane, adrenaline-fueled thriller that introduces readers to Jason “Hawk” Mercer a relentless, battle-tested hero who refuses to back down when the odds are stacked against him. J.R. Hamilton crafts a gripping, cinematic narrative packed with covert operations, explosive action scenes, and sharp twists that keep the tension alive from the first page to the last.
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