GK Parks Books in Order
Browse G.K. Parks books in order, with series guides, quick summaries, reading paths, and simple advice on where to start reading.
Last updated: July 1, 2026
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Publication Order
40 books
Agent Prerogative
by GK Parks
2013
Near the end of her OIO training, Alexis Parker is forced to work beside rival Michael Carver on a string of ATM hijackings. An anonymous tip and another robbery push the team into a race to stop the bandits.
Assignment Zero
by GK Parks
2013
Fresh out of Quantico, Alexis Parker joins her first FBI mission and goes undercover with academy rival Michael Carver. Smuggled weapons, suspicious shipments, and a Russian mob link turn a rookie case into a brutal test.
Likely Suspects
by GK Parks
2013
Former OIO agent Alexis Parker takes a bodyguard job for tech CEO James Martin and expects a straightforward threat assessment. Instead, she uncovers a long-brewing conspiracy that could cost Martin his company and both of them their lives.
The Warhol Incident
by GK Parks
2013
A job retrieving a painting in Paris forces Alexis Parker to confront the mission that still haunts her. Old allies, old enemies, and James Martin all collide as Alex learns the past is not done with her.
Camels and Corpses
by GK Parks
2014
A car theft case leads Alexis Parker into a larger mess involving a dangerous broker, a double homicide, and a killer for hire known only as the Camel. To stop him, Alex has to stay one step ahead of a hunter.
Lack of Jurisdiction
by GK Parks
2014
Fired from a hotel security job, Alexis Parker is shocked when a murder on the property brings her back. The case grows into a million-dollar conspiracy, and a turf war between agencies only makes it more dangerous.
Mimicry of Banshees
by GK Parks
2014
When James Martin is arrested after a supermodel is found dead on his yacht, Alexis Parker is brought in to clear his name. To do it, she has to navigate a world of models, money, and murder.
Racing Through Darkness
by GK Parks
2014
After Detective Nick O'Connell is shot and his niece is kidnapped, Alexis Parker is dragged back into the kind of work she swore off. Teaming up with a hard-edged ransom specialist, she races to save three abducted girls.
Suspicion of Murder
by GK Parks
2014
A nightclub security job ends with Alexis Parker wounded, wanted for murder, and running from a corrupt cop. To clear her name, she has to trust dangerous people and survive long enough to become bait.
The Final Chapter
by GK Parks
2014
A bombing at an impound lot sends Alexis Parker and the OIO racing to stop the person promising more explosions. As the case widens, one terrible moment changes Alex's career and her future for good.
Condemned
by GK Parks
2015
After witnessing an attempted murder, former SAS commander Julian Mercer gets pulled into a case he cannot ignore. His search for the truth turns into a brutal test for both Mercer and the team behind him.
Dying for a Fix
by GK Parks
2015
Alexis Parker returns to the OIO for an undercover job inside a brutal drug gang. Posing as an addicted stripper to get close to a lieutenant, she risks becoming trapped in a gang war she may not survive.
Intended Target
by GK Parks
2015
A courthouse shooting leaves two dead and puts Alexis Parker back to work with the OIO. While official investigators chase one theory, Alex suspects they have focused on the wrong target from the start.
Betrayal
by GK Parks
2016
Julian Mercer and his former SAS team race to rescue a programmer's kidnapped wife from a heavily guarded tech firm. But the client's story is shaky, the ransom clock is ticking, and the whole job smells wrong.
Crisis of Conscience
by GK Parks
2017
Back on the job, Alexis Parker helps hunt a traitor inside the OIO while surviving attacks from an unseen enemy. With a mole in play and a price on her head, every ally suddenly looks uncertain.
Muffled Echoes
by GK Parks
2017
Alexis Parker wakes up hurt, alone, and missing twelve hours she cannot explain. When no one believes something terrible happened, she starts retracing her steps and walks straight into the most dangerous investigation of her career.
Subversion
by GK Parks
2017
Julian Mercer and his team take on a mission where loyalties shift and the facts refuse to stay put. In Mercer's world, hesitation gets people killed, and someone is working hard to bury the truth.
Misplaced Trust
by GK Parks
2018
Assigned to help the DEA, Alexis Parker goes undercover inside a cult led by a man tied to drugs and abuse. As bodies pile up around the commune, Alex has to learn who she can trust before she disappears into the case.
On Tilt
by GK Parks
2018
Alex juggles two dangerous cases at once, hunting for Julian Mercer's wife's killer while reopening a five-year-old missing girl case. Both investigations turn hot, and buried secrets start fighting back.
Reparation
by GK Parks
2018
Julian Mercer takes on another high-stakes mission where old wrongs still have a price. To set anything right, he and his team have to survive the job first.
Whitewashed Lies
by GK Parks
2018
A bombed office building with impossible security convinces Alexis Parker that someone is hiding a major secret. To stop more bloodshed, she has to beat covert operatives and an anarchist hacker group to the truth.
Dangerous Stakes
by GK Parks
2019
Three months undercover, rookie detective Liv DeMarco is still chasing violent car thief Axel Kincaid. Then a parking attendant is murdered, exotic cars vanish, and Liv realizes the killer may be lining her up next.
Purview of Flashbulbs
by GK Parks
2019
Alexis Parker takes a Hollywood consulting job and expects boredom, not danger. But when strange things start happening around rising star Dinah Allen, Alex finds herself tracking a stalker who has crossed the line.
Retaliation
by GK Parks
2019
Violence breeds more violence when Julian Mercer goes after the people who crossed the wrong line. The hunt is fast, ugly, and personal, with no room for hesitation or mercy.
The Long Game
by GK Parks
2019
After a murder rattles her, Alexis Parker agrees to help recover ten million dollars stolen from a Martin Technologies board member. To find the money, she has to out-con a grifter while staying ahead of someone even deadlier.
Unforeseen Danger
by GK Parks
2019
Liv DeMarco expects a difficult case, not one that keeps opening into something worse. With each new lead, she and Brad Fennel are forced deeper into a situation that is more dangerous than anyone first believed.
Burning Embers
by GK Parks
2020
Alexis Parker means to take a break, then gets pulled into a case involving a celebrity chef who swears someone torched his restaurant. When a city firebug starts escalating, Alex realizes the danger is very real.
Deadly Dealings
by GK Parks
2020
A murder investigation drops Liv DeMarco and Brad Fennel into a case that keeps getting bigger and uglier. As suspects multiply and pressure builds, they have to move fast before the violence spreads.
Fallen Angel
by GK Parks
2020
Jade McNamara wants out of an abusive relationship, but her boyfriend is a cop who will not let her leave. Lucien Cross takes the case to save her and prove his young firm can survive a real war.
Hunting Grounds
by GK Parks
2020
Julian Mercer heads into hostile territory where the hunters are never quite sure who is stalking whom. To finish the mission, he has to outthink an enemy who treats people like prey.
Thick Fog
by GK Parks
2020
When mentor Mark Jablonsky is rushed into surgery after a brutal attack, Alexis Parker knows her past is back. Someone is targeting her former colleagues, and Alex may be the final stop on the revenge list.
Calculated Risk
by GK Parks
2021
Lucien Cross agrees to recover a wealthy client's stolen property, expecting a clean job and easy money. Instead, hidden details send him straight into a war with ruthless gangsters who do not forgive mistakes.
Fatal Mistake
by GK Parks
2021
A fresh investigation turns far more costly than Liv DeMarco expects when one mistake changes everything. To put things right, she and Brad have to solve the case before the damage spreads any further.
High Risk
by GK Parks
2021
Another hard case pushes Liv DeMarco and Brad Fennel into dangerous territory where instinct and procedure are both tested. Every lead raises the stakes, and one wrong call could put them in the killer's path.
Past Crimes
by GK Parks
2021
When the police find a body and enough evidence to bury Lucien Cross, Alexis Parker is asked to prove he is innocent. The problem is that even Alex is not sure he did not do it.
Warning Signs
by GK Parks
2021
A simple surveillance job on a client's fiancee looks pointless at first, but Alexis Parker knows something is off. The deeper she digs into the couple's polished life, the darker the truth becomes.
Imminent Threat
by GK Parks
2022
A new case puts Detective Liv DeMarco and Brad Fennel on a fast clock, with danger closing in before the evidence makes sense. The deeper they dig, the more the threat feels immediate and personal.
Mistaken Identity
by GK Parks
2022
During Halloween, Liv DeMarco and Brad Fennel go hunting for a so-called vampire killer. The seasonal rumors are strange, but the violence is real, and the truth behind the murders is anything but supernatural.
Sinister Secret
by GK Parks
2022
When Alex's former partner asks for help, she ends up protecting a woman who says the man who nearly killed her is back, even though he is dead. As violence breaks out, Alex has to decide what is delusion and what is very real.
Zero Sum
by GK Parks
2022
A routine security check in California drops Alexis Parker into an active murder scene before the shooters can escape. With a client missing and the clock ticking, Alex has to unravel a case where every secret looks potentially fatal.
Where should I start?
If you want the core Alexis Parker experience: Likely Suspects → The Warhol Incident → Mimicry of Banshees
If you want Alexis Parker's backstory first: Assignment Zero → Agent Prerogative → The Final Chapter → Likely Suspects
If you prefer police procedurals: Dangerous Stakes → Unforeseen Danger → Deadly Dealings
If you want mercenary thrillers: Condemned → Betrayal → Subversion
If you want private-eye cases with Lucien Cross: Fallen Angel → Calculated Risk
Author bio
G.K. Parks came to fiction from the crime side of the map, at least academically. Parks earned a Bachelor of Arts in Political Science and History, spent time in law school, then changed course and completed a Master of Arts in Criminology and Criminal Justice. That background shows up all over the books, not as homework, but as a feel for investigations, procedure, and the messy reasons people make bad choices.
The writing career started in 2012, just two months after graduation. Parks finished a first manuscript within a few months, wrote several more before the debut novel even reached readers, and published Likely Suspects in 2013. That book introduced Alexis Parker, a former federal agent trying to build a life in the private sector, and it set the tone for a lot of what followed.
Then the books kept coming.
Parks has said the love of mysteries goes back to childhood, along with a steady diet of crime shows and thrillers. There was also a more personal influence at home. Parks has talked about a father who worked as a New York City cop and told vivid stories, which helps explain why so many of these novels care about cops, agents, kidnappers, hustlers, and the people caught in the middle.
If you start with Likely Suspects, you get the blend readers tend to come back for: action, sarcasm, and an investigator who is smart but never untouchable. Dangerous Stakes shifts into police procedural territory with Liv DeMarco. Condemned and Betrayal lean harder into mercenary work and kidnapping cases through Julian Mercer. Fallen Angel opens the Lucien Cross books, where private security work has a habit of turning into something much messier than the client first admits.
That mix is the point.
Across the different series, Parks returns to a few favorite ingredients. There are capable women with sharp instincts, men who are useful but complicated, and institutions that do not always deserve the trust they ask for. Cases start with a murder, a threat, or a missing person and then widen into conspiracies, old grudges, undercover work, and moral tradeoffs. Even with all the danger, the books usually leave room for dry humor and banter, which keeps the stories moving without draining them of feeling.
Parks also seems to enjoy building one shared world rather than keeping every series in a separate box. Alexis Parker crosses paths with Lucien Cross and Julian Mercer. Liv DeMarco works the same crime-heavy landscape from a different angle. That makes the bibliography especially fun to read in order, because characters, alliances, and consequences carry forward even when the lead changes.
Off the page, Parks has shared a few small details that fit the books surprisingly well. When not writing, Parks enjoys jigsaw puzzles, cooking, and watching crime or action thrillers on television. It feels on brand. These stories move fast, but they are built by someone who clearly likes figuring out how all the pieces lock together.
Edited by
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