If The Bourne Identity by Robert Ludlum worked for you, these indie books offer a similar reading experience. The comparison comes from AI analysis of each full manuscript (pacing, tone, tropes, and more), not from marketing copy.

Peter Hogenkamp
When Jade Stryker's estranged father resurfaces in the Colorado Rockies, she sees her chance to reckon with the past—and to stop a corrupt sheriff's abuse of two children. Thousands of miles away, Mark Brand's missing brother suddenly reappears, only to vanish again into a conspiracy that spirals from a billionaire's yacht to a remote Aegean island. As their parallel searches collide with forces larger than either anticipated, Jade and Mark find themselves racing against time, buried secrets, and the people who will kill to keep them hidden. Dark, fast-paced, and propelled by sharp wit and genuine stakes, The Dead Zone weaves intimate betrayals into a thriller where the personal and the catastrophic become impossible to separate.
Thriller
Brandon Keller
A financial prodigy gets entangled in a dangerous high-stakes poker game where global elites manipulate world events while pursuing a revolutionary AI algorithm.
Psychological
Robert C. Hill
A chillingly plausible near-future military thriller that imagines the unthinkable: the United States invading its former ally, Canada. By 2036, years of political collapse and authoritarian drift have transformed America. When a devastating attack on U.S. soil is blamed on Canadian intelligence, the evidence appears overwhelming. Canada’s allies hesitate, and Washington has the justification it needs for war. But Canada has spent a decade preparing for the possibility that its southern neighbour might one day become its greatest threat. Alexander Ashcombe has spent five years living quietly in Canada under an assumed name, trying to leave his former life in the SAS behind. As American forces gather at the border, the life he built begins to disappear. Drawn back into uniform, Ash joins soldiers who know they cannot defeat the United States on American terms. Outgunned and outnumbered, Canada chooses a different kind of war. Cities are opened rather than destroyed. Bridges fall. Supply lines are severed. Forces disperse into hidden networks built to survive occupation and strike from the shadows. The objective is not to stop the Americans at the border. It is to make holding Canada impossible. As the occupation spreads, the conflict reaches from Cabinet rooms and intelligence centres to military units, occupied communities, and ordinary families. Resistance demands sacrifice. And for Ash and those around him, survival means deciding what they are prepared to risk for a country that refuses to surrender. Grounded in military realism, geopolitical tension, and the human cost of war, Invasion is the first book in the Canada at War series. Fans of intelligent military and political thrillers will find the geopolitical chessboard of Tom Clancy and the gritty operational tension of Mark Greaney in a gripping story of asymmetric warfare, resistance, espionage, and a country fighting to remain its own.
Political
Rob Swigart
THE INQUISITION IS BACK! AND THIS TIME THEY HAVE TECHNOLOGY. An action-packed unraveling of the secrets of ancient history mixed in with a chilling conspiracy that brings to mind Dan Brown’s bestseller INFERNO. “Swigart is one of the few thriller writers with a poetic sense … [who] knows how to give high velocity to an action mystery.” -San Francisco Chronicle Papyrologist Lisa Emmer’s world flips when the Surete meets her at her Metro station with news of the savage murder of the esteemed Paris historian Dr. Raimond Foix, her friend and mentor in the study of ancient documents. Horrified, Lisa finds clues at the crime scene left behind for her by her mentor—clues to a secret kept hidden for centuries. These clues make her a prime suspect in the murder investigation, and also put her directly in the cross-hairs of a deadly commando group that proves to be none other than a contemporary offshoot of the Inquisition. They want an ancient document that reveals a secret so explosive it could change the world—a document they’ve been tracking for centuries. Led by a sadistic priest and a vicious but very accomplished nun with excellent military cred, their mission is to destroy the document—no matter what the cost in blood.
Psychological
K M AUL
The Chameleon: Flesh Eater is a fast-paced contemporary technothriller combining biological danger, government investigation, conspiracy, and an unconventional protagonist who operates entirely outside the system. When a CDC researcher is murdered in Atlanta and a potentially devastating biological threat disappears, federal authorities face an enemy they cannot identify and a crisis they may not be able to contain. Their investigation eventually intersects with a mysterious figure known only as The Chameleon—a man with extraordinary resources, meticulous preparation, and an unmatched ability to alter his appearance, identity, and mannerisms until he can become virtually anyone. Behind the disguise is Simon Knight, a highly intelligent and intensely private man guided by a strict personal credo never to kill. Working with Mara, his brilliant remote intelligence partner, Simon follows a trail involving stolen biological material, hidden connections, government secrets, and people willing to unleash catastrophe for their own purposes. The novel blends realistic science and investigative detail with infiltration, surveillance, deception, escapes, physical action, and an escalating race to prevent a biological disaster. At its center is a hero who relies less on firepower than intelligence, preparation, disguise, and the ability to anticipate what his opponents will do next. Flesh Eater is the first book in The Chameleon series and is intended for readers who enjoy technothrillers, espionage thrillers, government conspiracies, scientific threats, intelligent protagonists, and continuing characters whose relationships develop across a series.
Psychological
Kirk Voclain
Reed Sawyer is a covert operative hiding in plain sight behind a camera lens—until a tail on a Vienna-bound flight exposes a conspiracy that reaches far beyond airport security. Framed for murder and hunted by the agency he served, Reed must excavate the truth from coded messages and compromised files while staying one step ahead of those determined to bury him. Kirk Voclain delivers a visceral, character-driven thriller where tradecraft and paranoia collide, and survival depends on trusting the last person you should.
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