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Nikolai's Secret
An ordinary man discovers a secret powerful enough to crumble an empire.
Behind the Iron Curtain, Nikolai Kovalenko lives an invisible life of obedience. Raised on Soviet ideals and quietly serving as an electronics technician for the Ministry of Communication, he never questions the system. Danger feels like someone else’s world, and he never imagines it could touch his own.
Until one routine day in February 1981 changes everything.
A secret never meant to be found. Where temptation leads to regret.
What Nikolai uncovers pulls him into the silent war brewing inside the Eastern Bloc, where power is traded behind closed doors and lives disappear without warning. As the Soviet empire begins to fracture and the Solidarity movement ignites rebellion in Poland, the choice is guard the secret and survive, or speak it and gamble everything, even his life.
Guided by the unlikely wisdom of his former history teacher, and torn between the woman he loves and the choice he made, Nikolai must out maneuver the ruthless East German Stasi in a desperate search for someone to unburden him.
From bestselling author Matthew Fults, Nikolai’s Secret is equal parts parable, caper and love story. It's a powerful companion novel to The Sunflower Widows, where inner courage and a moral compass are required passports to a future without a past.
Perfect for fans of John le Carré, Milan Kundera and Kristin Hannah.
Behind the Iron Curtain, Nikolai Kovalenko lives an invisible life of obedience. Raised on Soviet ideals and quietly serving as an electronics technician for the Ministry of Communication, he never questions the system. Danger feels like someone else’s world, and he never imagines it could touch his own.
Until one routine day in February 1981 changes everything.
A secret never meant to be found. Where temptation leads to regret.
What Nikolai uncovers pulls him into the silent war brewing inside the Eastern Bloc, where power is traded behind closed doors and lives disappear without warning. As the Soviet empire begins to fracture and the Solidarity movement ignites rebellion in Poland, the choice is guard the secret and survive, or speak it and gamble everything, even his life.
Guided by the unlikely wisdom of his former history teacher, and torn between the woman he loves and the choice he made, Nikolai must out maneuver the ruthless East German Stasi in a desperate search for someone to unburden him.
From bestselling author Matthew Fults, Nikolai’s Secret is equal parts parable, caper and love story. It's a powerful companion novel to The Sunflower Widows, where inner courage and a moral compass are required passports to a future without a past.
Perfect for fans of John le Carré, Milan Kundera and Kristin Hannah.
- GenresFiction
276 pages, Kindle Edition
Published May 12, 2026
About the author
Matthew Fults
6 books51 followersMatthew Fults is the author of five novels, including the award-winning Mathieu James trilogy, and two literary fiction books known as The Ukraine Stories. He is a former newspaper journalist and editor, a celebrated documentary filmmaker and accomplished brand photographer. In addition to his documentary work being selected to international film festivals, his visual storytelling has been praised by The New York Times, Wall Street Journal, Detroit Free Press, Boston Globe and TV Guide among others.
As a writer, he is known for possessing a cinematic style and crafting scenes so rich with sensory detail that readers feel transported into the story. His thrillers have been compared to Vince Flynn and Frederick Forsyth; his literary fiction to Milan Kundera and Etaf Rum; and his travel essays have been humorously described as "the love child of Hunter S. Thompson and Ernest Hemingway on LSD." Fults's long-form storytelling is known for its poignancy, exceptional realism and literary style of journalism.
His debut novel, The Scotland Project, was named a finalist for best thriller of the year. Its sequel, Messenger for the Dead, was named Action Thriller of the Year for 2025. The final book in the series, The Consequence of Sin, has been called "a superb finale."
Meanwhile, his literary fiction debut, The Sunflower Widows, hit shelves in September 2025 as a multi-category bestseller and Top New Release. Heralded as "A quiet triumph" and "Masterful," Discovery says it's "A must read." The Book Commentary wrote, "Fults’s layered, empathetic portrayal of women living through war will captivate readers immensely."
His latest release, a Cold War literary thriller, is a companion novel to The Sunflower Widows. Nikolai's Secret tells the story of an ordinary man raised on Soviet ideals who uncovers a secret powerful enough to destroy an empire. Nikolai's Secret debuted May 12, 2026 in paperback and ebook formats.
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Displaying 1 - 18 of 18 reviews
June 23, 2026
Nikolai’s Secret by Matthew Fults is a carefully controlled historical narrative that understands the power of restraint in storytelling.
At its core, the novel is less about espionage in the traditional sense and more about the burden of knowledge—what it means for an ordinary individual to encounter a truth that cannot be ignored. The tension is not driven by action alone, but by the gradual tightening of moral consequence.
What distinguishes this work is its refusal to overstate. The political landscape of the late Soviet era is rendered with clarity, but never overwhelms the personal story. Instead, it serves as a pressure system, shaping Nikolai’s decisions and amplifying the stakes of even the smallest choices.
The protagonist is particularly effective because of his ordinariness. He is not constructed as a hero in the conventional sense, which allows his internal conflict to feel authentic. The narrative asks a central question—what does one do when silence ensures survival, but truth demands sacrifice—and it allows that question to unfold without simplification.
There is also a measured pacing to the novel that works in its favor. Rather than rushing toward resolution, it allows tension to accumulate, reinforcing the sense that every decision carries weight beyond the immediate moment.
This is a story of quiet defiance, of conscience under surveillance, and of the cost attached to both action and inaction.
A thoughtful and deliberate novel that will appeal to readers who value moral complexity as much as narrative tension.
At its core, the novel is less about espionage in the traditional sense and more about the burden of knowledge—what it means for an ordinary individual to encounter a truth that cannot be ignored. The tension is not driven by action alone, but by the gradual tightening of moral consequence.
What distinguishes this work is its refusal to overstate. The political landscape of the late Soviet era is rendered with clarity, but never overwhelms the personal story. Instead, it serves as a pressure system, shaping Nikolai’s decisions and amplifying the stakes of even the smallest choices.
The protagonist is particularly effective because of his ordinariness. He is not constructed as a hero in the conventional sense, which allows his internal conflict to feel authentic. The narrative asks a central question—what does one do when silence ensures survival, but truth demands sacrifice—and it allows that question to unfold without simplification.
There is also a measured pacing to the novel that works in its favor. Rather than rushing toward resolution, it allows tension to accumulate, reinforcing the sense that every decision carries weight beyond the immediate moment.
This is a story of quiet defiance, of conscience under surveillance, and of the cost attached to both action and inaction.
A thoughtful and deliberate novel that will appeal to readers who value moral complexity as much as narrative tension.
Review of advance copy
I received an advance reader copy for free, and I am leaving this review voluntarily.
Alright now, this one pulls you into that cold shadow world folks made famous, and it does not waste any time getting its boots dirty. Set deep behind the Iron Curtain, you follow a regular fellow minding his business until he stumbles into something that could shake the whole system.
What I liked most is how real it felt. There is no over the top hero nonsense. He is not built for this life and you feel that pressure sitting on his shoulders the whole way through. The tension creeps instead of explodes and that slow burn works mighty fine especially with secret police lurking in the background like a bad storm you know is coming.
Now I am not going to lie, parts of it move a little slower than a Sunday drive especially when it leans heavy into politics and history. But if you have the patience, it pays off. The moral tug of war he is dealing with whether to keep quiet or risk it all that is where the story really earns its keep.
There is a touch of heart in here too. The relationships do not feel forced and they give the story some soul instead of just spies and secrets.
At the end of the day, this is not about explosions or flashy spy tricks. It is about choices, the kind that cost you something no matter what you do.
I give it a 4 out of 5 catfish!
Alright now, this one pulls you into that cold shadow world folks made famous, and it does not waste any time getting its boots dirty. Set deep behind the Iron Curtain, you follow a regular fellow minding his business until he stumbles into something that could shake the whole system.
What I liked most is how real it felt. There is no over the top hero nonsense. He is not built for this life and you feel that pressure sitting on his shoulders the whole way through. The tension creeps instead of explodes and that slow burn works mighty fine especially with secret police lurking in the background like a bad storm you know is coming.
Now I am not going to lie, parts of it move a little slower than a Sunday drive especially when it leans heavy into politics and history. But if you have the patience, it pays off. The moral tug of war he is dealing with whether to keep quiet or risk it all that is where the story really earns its keep.
There is a touch of heart in here too. The relationships do not feel forced and they give the story some soul instead of just spies and secrets.
At the end of the day, this is not about explosions or flashy spy tricks. It is about choices, the kind that cost you something no matter what you do.
I give it a 4 out of 5 catfish!
Review of advance copy received from Author
On the surface, Nikolai’s Secret is a high-tension Cold War espionage thriller and geopolitical drama. But it’s more than that. It’s also a literary novel and character study that details the personal reflections of Nikolai Kovalenko, a highly skilled electronics "fixer" for the Ministry of Communication and eventually the KGB.
Fults expertly blends a reflective, often melancholy voice with a mounting sense of dread, as readers begin to learn Nikolai’s secret and "the thing that I did."
The novel excels in the detailed and authentic portrayal of the Soviet system and its human cost. The story is firmly grounded in real history, detailing high-stakes assignments such as developing hidden listening devices for the Soviet delegation at the 1975 Helsinki Accords. Yet, the true power of the book lies in Nikolai’s struggle against the ruthless obedience required by the state and the fear of the consequences for stepping out of line.
Fults has crafted a compelling, cinematic, and intimate story that succeeds both as a tense geopolitical drama and a character study of a man shattered by his loyalty to a flawed system and his desire for a normal life near his family and the love of his life. The narrative masterfully maintains suspense, constantly hinting at the moment in 1981 when Nikolai’s life spins "out of control" and forces him into betrayal and flight. Highly recommend.
Fults expertly blends a reflective, often melancholy voice with a mounting sense of dread, as readers begin to learn Nikolai’s secret and "the thing that I did."
The novel excels in the detailed and authentic portrayal of the Soviet system and its human cost. The story is firmly grounded in real history, detailing high-stakes assignments such as developing hidden listening devices for the Soviet delegation at the 1975 Helsinki Accords. Yet, the true power of the book lies in Nikolai’s struggle against the ruthless obedience required by the state and the fear of the consequences for stepping out of line.
Fults has crafted a compelling, cinematic, and intimate story that succeeds both as a tense geopolitical drama and a character study of a man shattered by his loyalty to a flawed system and his desire for a normal life near his family and the love of his life. The narrative masterfully maintains suspense, constantly hinting at the moment in 1981 when Nikolai’s life spins "out of control" and forces him into betrayal and flight. Highly recommend.
Review of advance copy
I was keen to read this book by Matthew Fults, having appreciated his writing and research in an earlier novel, The Sunflower Widows. I received a complimentary advance review copy of Nikolai's Secret and am writing this review voluntarily. Nikolai's Secret is quite different from The Sunflower Widows although it shares the Ukrainian setting. This book is set in the early 1980s. Nikolai, having done his military service in the Red Army, has returned home to Ukraine where he soon finds his skills as an electronic engineer are called into service by the KGB. He also meets up at this time with Kathryna, a former school friend with whom he quickly forms a close and loving relationship. Nikolai is the narrator of this story, written after he has done something which changed his life. At times I found the writing a little plodding and repetitive but realised that this probably suited the style of Nikolai who was, after all, and engineer and not an author. It also suited the oppression and repetitiveness of life at that time and location. I think the book captured that time and location very well: the fear of living under Soviet rule, the terrors of the KGB and Stasi and the hopes for the Solidarnosc movement in Poland. Nikolai's fears and anxieties were palpable. I enjoyed and will recommend this book and would now like to read Kathryna's story.
Review of advance copy received from Publisher
Nikolai's Secret is a genre-crossing novel that bleeds from both the literary fiction and thriller categories. It's a tale of an ordinary man who stumbles into something sinister, which leads to the ultimate dilemma: stay quiet and watch the world burn, or stand up and risk everything and everyone in your life.
The writing comes alive with passages like "Instead, I open the door to the tiny balcony, barely the size of a coat closet. I’m met by the briskness of autumn’s breath and the pleasant smell of decay. I wonder how that is so." It allows the reader to stand next to Nikolai and experience his truth.
A wide range of characters are painted with an intimate brush, from his early romantic interest Mikaela to the the evil Stasi agent Dieter Werner. In between we meet instrumental influences, from his parents to his high school history teacher and, most importantly, Kathryna, the love of his life.
As the reader gets an insider's view of his life, we tag along on a journey that tests his courage, his will and his heart. I'd love more novels like this, where the character study stands above the plot, and the storytelling is inviting.
The writing comes alive with passages like "Instead, I open the door to the tiny balcony, barely the size of a coat closet. I’m met by the briskness of autumn’s breath and the pleasant smell of decay. I wonder how that is so." It allows the reader to stand next to Nikolai and experience his truth.
A wide range of characters are painted with an intimate brush, from his early romantic interest Mikaela to the the evil Stasi agent Dieter Werner. In between we meet instrumental influences, from his parents to his high school history teacher and, most importantly, Kathryna, the love of his life.
As the reader gets an insider's view of his life, we tag along on a journey that tests his courage, his will and his heart. I'd love more novels like this, where the character study stands above the plot, and the storytelling is inviting.
Review of advance copy received from Author
The story centers around a man named Nikolai Kovalenko, an ordinary Soviet citizen with a somewhat boring job as an electronics technician working for the Ministry of Communication. As he rises through the ranks, he gains access to sensitive materials within the communist regime. There comes a point where temptation wins over moderation, and he uncovers a secret that ultimately will dictate the rest of his life: pretend like it never happened and watch the Soviet Block potentially crumble, or speak up and risk all that he loves.
What I liked most about Nikolai's Secret was the first-person narrative. The voice was alive with emotion, and it felt like living inside his head allowed me to ride along on his journey.
The narrative is filled with tension, tenderness, and angst. Although set in the Cold War, it's a timely story of a man who has to make the hardest of choices, and he searches in all the right places for guidance. Thoroughly enjoyed this read, and thanks to the author, Matthew Fults, for the advance copy.
What I liked most about Nikolai's Secret was the first-person narrative. The voice was alive with emotion, and it felt like living inside his head allowed me to ride along on his journey.
The narrative is filled with tension, tenderness, and angst. Although set in the Cold War, it's a timely story of a man who has to make the hardest of choices, and he searches in all the right places for guidance. Thoroughly enjoyed this read, and thanks to the author, Matthew Fults, for the advance copy.
June 2, 2026
Nikolai’s Secret transports readers to the frostbitten paranoia of 1980s Soviet Ukraine with chilling authenticity. Fults demonstrates meticulous research in depicting the KGB’s surveillance apparatus, from hollowed coins concealing microphones to the suffocating security protocols at the Brovary facility. The novel excels in rendering the mundane terror of totalitarianism, the daily train commutes from Kyiv, long lines for food, the smell of "Red Army au de toilet," and the constant awareness of being watched. When East German Stasi agent Dieter Werner enters the narrative, the Cold War’s international complexity sharpens. Fults captures the era’s moral bankruptcy through technical details: Nikolai’s expertise in ferric oxide tapes becomes both his salvation and curse. The result is a claustrophobic, atmospheric thriller that makes the historical period feel immediate, tactile, and terrifyingly real. And then there is a protagonist with a secret that can destroy his life if he tells it to the wrong person or keeps it.
June 8, 2026
Put me on the edge of my seat
Nikolai's Secret (The Ukraine Stories) by Matthew Fults is a perfect read for those who enjoy Cold War thrillers. Nikolai Kovalenko is a Ukrainian electronics technician working for a division of the Soviet Ministry of Communications. He works in a classified facility, and when he discovers a tape recording of a conversation that exposes a dangerous conspiracy, his life takes an unexpected turn. He becomes anxious when his supervisor is killed, and Dieter Werner, a co-conspirator, begins to hunt for the tape. Whom can he trust with this secret, and what if he keeps it? Either way, he is in big trouble, and his relationship with Kathryna and his family is on the line as well. This novel shows what it was like to live and work in the communist system during the Cold War, and Fults creates a compelling protagonist in an ordinary man, developing a conflict that kept me on the edge of my seat as I followed him.
Nikolai's Secret (The Ukraine Stories) by Matthew Fults is a perfect read for those who enjoy Cold War thrillers. Nikolai Kovalenko is a Ukrainian electronics technician working for a division of the Soviet Ministry of Communications. He works in a classified facility, and when he discovers a tape recording of a conversation that exposes a dangerous conspiracy, his life takes an unexpected turn. He becomes anxious when his supervisor is killed, and Dieter Werner, a co-conspirator, begins to hunt for the tape. Whom can he trust with this secret, and what if he keeps it? Either way, he is in big trouble, and his relationship with Kathryna and his family is on the line as well. This novel shows what it was like to live and work in the communist system during the Cold War, and Fults creates a compelling protagonist in an ordinary man, developing a conflict that kept me on the edge of my seat as I followed him.
Review of advance copy received from Author
Nikolai's Secret delivers a story filled with intrigue, personal reflection and stark choices set against the Cold War. I read the companion novel, The Sunflower Widows, where Nikolai makes a brief appearance. It was really interesting to learn his story, and to learn what happened to him.
Written in first person, the story is told through a combination of present day (which is 1983 in the book) and flashbacks to important events in Nikolai's life that ultimately led him to the secret that would change his life.
It was easy to root for him as a character even as he faced two horrible choices, and his nemesis from the Stasi came to live in a very vivid, evil way. There's also a nice, unexpected twist at the end that really brings the story full circle in some ways.
Nikolai's Secret is beautifully crafted. It's an easy read, engaging read. I definitely can recommend it!
Written in first person, the story is told through a combination of present day (which is 1983 in the book) and flashbacks to important events in Nikolai's life that ultimately led him to the secret that would change his life.
It was easy to root for him as a character even as he faced two horrible choices, and his nemesis from the Stasi came to live in a very vivid, evil way. There's also a nice, unexpected twist at the end that really brings the story full circle in some ways.
Nikolai's Secret is beautifully crafted. It's an easy read, engaging read. I definitely can recommend it!
June 2, 2026
Fults delivers a masterclass in confessional storytelling with Nikolai’s Secret. The novel’s framing device—a defector typing his memoir in 1983 while watching a mysterious man with a pipe—creates immediate, suffocating tension. The story shifts between Nikolai’s present-day isolation and his past as a KGB technician, with the typewriter’s "clip-clap-tappety-tap" serving as a metronome to his guilt. The author’s inclusion of redacted passages and audio transcriptions immerses readers in the bureaucratic dread associated with espionage work. Nikolai’s voice—by turns technical, nostalgic, and terrified—feels authentically Soviet, capturing the peculiar combination of compliance and curiosity that defined life behind the Iron Curtain. The three-act structure of his "lives" provides elegant architecture for this psychological study disguised as a thriller. I just loved it.
June 2, 2026
Nikolai’s Secret is a profound meditation on complicity and moral awakening. Nikolai Kovalenko begins as a content cog in the Soviet machine, happy to repair radios while ignoring the implications of his work. Fults traces his transformation with nuance; the moment Nikolai smuggles a conspiracy-laden tape in his underwear becomes a grotesque baptism into resistance. His conversations with history teacher Mr. Fetisov provide the novel’s ethical compass, framing Nikolai’s choices against the backdrop of Soviet historical erasure. The protagonist’s evolution from obedient technician to defector is neither heroic nor clean; it’s marked by sweat, paranoia, and ambiguity. Fults asks difficult questions: What is the price of truth? Nikolai’s ultimate sacrifice—leaving Kathryna without explanation—lands with devastating emotional truth, proving that courage often looks like personal ruin.
Review of advance copy received from Author
Thank you to the author, Matthew Fults, for the advance copy.
Nikolai's Secret is an old-school tale of a good guy who finds himself in a bad situation by making a simple mistake. Nikolai must choose between staying silent, and living with a potential humanitarian and political catastrophe, or speaking out, and risking everything, including those he loves the most.
I found the first-person narrative extremely engaging, giving a true sense of Nikolai's angst, peril, humor and affection for those around him. This story isn't "superhero special forces dude saves the world all by himself." Not even close. It's relatable, enjoyable and a worthy read.
Nikolai's Secret is an old-school tale of a good guy who finds himself in a bad situation by making a simple mistake. Nikolai must choose between staying silent, and living with a potential humanitarian and political catastrophe, or speaking out, and risking everything, including those he loves the most.
I found the first-person narrative extremely engaging, giving a true sense of Nikolai's angst, peril, humor and affection for those around him. This story isn't "superhero special forces dude saves the world all by himself." Not even close. It's relatable, enjoyable and a worthy read.
Review of advance copy received from Publisher
An old-school, slow burn literary thriller that puts an ordinary man in harm's sway through a simple mistake.
It's tense, filled with memorable characters and offers plenty of intrigue. A bit of history and politics to get through, but it helps the reader understand the stakes, which for Nikolai turned out to be high.
It's literary fiction but reads like a thriller in the same way as Graham Greene, where character study is essential to the story.
It's tense, filled with memorable characters and offers plenty of intrigue. A bit of history and politics to get through, but it helps the reader understand the stakes, which for Nikolai turned out to be high.
It's literary fiction but reads like a thriller in the same way as Graham Greene, where character study is essential to the story.
May 12, 2026
Filled with tension and word-smithing that brings to life Soviet Ukraine, Nikolai's Secret is both a literary thriller and an old-school character-driven tale of espionage.
Nikolai is an ordinary Joe, minding his business and doing his thing, when he makes a bad decision at work, which cascades into his life, forcing him to make choices nobody wants to make.
With vivid detail and characters that jump off the page, this first-person narrative is a ride to be enjoyed.
Nikolai is an ordinary Joe, minding his business and doing his thing, when he makes a bad decision at work, which cascades into his life, forcing him to make choices nobody wants to make.
With vivid detail and characters that jump off the page, this first-person narrative is a ride to be enjoyed.
June 5, 2026
An interesting read
Nikolai currently living in exile, due to his choices not his wishes, recounts the reasons he ended up in this predicament.It is set in the 1980's against the beginning of the end of Soviet rule, and the happenstance of fate.
I found much sympathy for Nikolai and the writing evokes more of Graham Green and coal testing of the individual than Ian Flemming.
A thoughtful book , well written and evocative of that time for a minor soviet cog.
Nikolai currently living in exile, due to his choices not his wishes, recounts the reasons he ended up in this predicament.It is set in the 1980's against the beginning of the end of Soviet rule, and the happenstance of fate.
I found much sympathy for Nikolai and the writing evokes more of Graham Green and coal testing of the individual than Ian Flemming.
A thoughtful book , well written and evocative of that time for a minor soviet cog.
June 4, 2026
A great Cold War story
Matthew Fults does a great job of painting a very convincing picture of a Cold War era Ukrainian under the Soviet regime. All the details are there and a clever story ensures with elements of Poe, Russian literature and detective fiction.
Matthew Fults does a great job of painting a very convincing picture of a Cold War era Ukrainian under the Soviet regime. All the details are there and a clever story ensures with elements of Poe, Russian literature and detective fiction.
June 2, 2026
Action packed!
July 8, 2026
This was a Goodreads Giveaway. Likable narrator and good storytelling. Intrigue, suspense, and romance in all the right amounts. Enjoyable page-turner!
Displaying 1 - 18 of 18 reviews