Outgunned. Outnumbered. Never outmatched.
When his friend Jasmine’s brother is arrested for drug smuggling, Bob is convinced he‘s innocent and sets out to find the real bad guys. A search that leads him to a lawless town in Colombia where he comes up against a ruthless cartel.
With the help of a local journalist, Bob discovers an international conspiracy to use a charity to import tons of cocaine into the US.
Back in America, he tracks the cocaine and realizes that a powerful Silicon Valley player is working with the cartel, masterminding the smuggling operation. Even worse, he’s kidnapped Jasmine and is holding her hostage.
Battling a tech baron with limitless resources including a team of highly trained killers, Bob knows that this may be his toughest battle yet. But he’ll do whatever it takes to save his friend.
Silicon Valley is about to meet a new kind of player.
The series
Some battles never truly end — they just change shape.
Read full series description
In the Rogue Warrior thrillers, the line between justice and survival is razor-thin, and former CIA assassin Bob Singleton knows it better than anyone. Haunted by betrayals and missions that blurred the meaning of loyalty, Singleton now operates in the shadows of a world he once served, hunted by old enemies and former allies alike.
Set against a backdrop of covert operations, dark conspiracies, and shifting global threats, the series trades the glamour of traditional spy fiction for something grittier — a landscape where violence leaves scars deeper than the ones on the surface. Singleton is no invincible hero; he’s a man worn thin by choices, constantly weighing the cost of redemption against the urge for revenge.
What sets this series apart isn't just the relentless pace or the sharp, unforgiving action scenes — it’s the raw humanity threaded through every chapter. Singleton’s journey is brutal, often bleak, but never empty. There’s a real weight to his battles, a sense that every decision could be his last, and that every ghost he carries has a name.
Drawing readers into a world of ruthless mercenaries, double-dealing operatives, and the unquiet ghosts of past missions, the Rogue Warrior books are built for fans of high-stakes espionage thrillers who crave more than just gunfights and car chases. They offer a dive into the mind of a man shaped — and nearly broken — by the very system he once believed in.
For readers who like their thrillers intelligent, ruthless, and crackling with tension, Bob Singleton’s story offers no easy answers — only hard truths and harder choices.
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