Michael Niemann Books in Order
Explore Michael Niemann's books in order, with quick summaries, series background, and clear advice on where to start.
Last updated: July 9, 2026
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Michael Niemann books in publication order
9 books
Legitimate Business
by Michael Niemann
2014
A routine UN audit in Darfur turns deadly when Valentin Vermeulen looks into the shooting of peacekeeper Ritu Roy. What begins as a murder question opens onto arms dealing, corruption, and enemies who would rather silence him than be exposed.
Africa Always Needs Guns
by Michael Niemann
2017
Punished with a grim posting in eastern Congo, Vermeulen inspects cargo planes and suspects weapons are moving on UN-chartered flights. He needs proof fast, before the people profiting from the trade close ranks.
Big Dreams Cost Too Much
by Michael Niemann
2017
In politically tense Yamoussoukro, a missing fuel fraud case turns into murder when the prime suspect is shot and the death is ruled a suicide. Vermeulen digs deeper and finds a dangerous mix of business interests, street muscle, and UN corruption.
Illicit Trade
by Michael Niemann
2017
Two Kenyan men die in the United States carrying forged UN documents, and Vermeulen follows the trail from New York to Newark, Vienna, and Nairobi. The case widens into a ruthless criminal network built on fraud, desperation, and cross-border exploitation.
Illegal Holdings
by Michael Niemann
2018
Sent to Maputo to check how development money is being used, Vermeulen finds a missing five million dollars and a growing body count. The deeper he digs into the books, the more vicious the people behind the scheme become.
No Right Way
by Michael Niemann
2019
Amid the Syrian refugee crisis in southern Turkey, Vermeulen is supposed to track UN aid money, not step into organized crime. When he learns refugees are being cheated, a financial inquiry becomes a fight against exploitation and violence.
Percentages of Guilt
by Michael Niemann
2020
A letter from Antwerp pulls Vermeulen back into a 2002 case and a fresh accusation that he helped get an informant killed. To clear his name, he has to reopen old money-laundering secrets before enemies and prosecutors close in.
Some Kind of Justice
by Michael Niemann
2020
In this shorter Valentin Vermeulen outing, a seemingly contained case pushes the UN investigator into the uneasy space between legal process and real justice. It is a compact look at the pressure, compromise, and moral grit that drive the series.
The Last Straw
by Michael Niemann
2021
A trip to Arizona with Tessa Bishonga becomes a murder investigation when a skeleton is found near the border. Vermeulen is drawn into the human cost of immigration policy, with old enemies and new killers closing in.
Where to start with Michael Niemann
If you want the main series from the beginning: Legitimate Business → Illicit Trade → Illegal Holdings
If you like global corruption cases: Legitimate Business → Illegal Holdings → Percentages of Guilt
If refugee and migration stories interest you: No Right Way → The Last Straw
If you want a quick sample first: Africa Always Needs Guns → Big Dreams Cost Too Much → Some Kind of Justice
Michael Niemann sub-series and character series
Valentin Vermeulen Thriller books in order
Explore this series
Legitimate Business
by Michael Niemann
2014Valentin Vermeulen Thriller, Book 1
Africa Always Needs Guns
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 3
Big Dreams Cost Too Much
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 4
Illicit Trade
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 2
Illegal Holdings
by Michael Niemann
2018Valentin Vermeulen Thriller, Book 5
No Right Way
by Michael Niemann
2019Valentin Vermeulen Thriller, Book 6
Percentages of Guilt
by Michael Niemann
2020Valentin Vermeulen Thriller, Book 8
Some Kind of Justice
by Michael Niemann
2020Valentin Vermeulen Thriller, Book 7
The Last Straw
by Michael Niemann
2021Valentin Vermeulen Thriller, Book 9
Valentin Vermeulen Thriller books in chronological order

Legitimate Business
by Michael Niemann
2014Valentin Vermeulen Thriller, Book 1
Illicit Trade
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 2
Africa Always Needs Guns
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 3
Big Dreams Cost Too Much
by Michael Niemann
2017Valentin Vermeulen Thriller, Book 4
Illegal Holdings
by Michael Niemann
2018Valentin Vermeulen Thriller, Book 5
No Right Way
by Michael Niemann
2019Valentin Vermeulen Thriller, Book 6
Some Kind of Justice
by Michael Niemann
2020Valentin Vermeulen Thriller, Book 7
Percentages of Guilt
by Michael Niemann
2020Valentin Vermeulen Thriller, Book 8
The Last Straw
by Michael Niemann
2021Valentin Vermeulen Thriller, Book 9
Author bio
Michael Niemann grew up in a small town in western Germany, about ten kilometers from the Dutch border. Crossing that border early and often seems to have stayed with him. His fiction keeps circling back to lines on maps, the systems built around them, and the ordinary people who get squeezed when those systems fail.
He moved to the United States at 25. Before turning to crime fiction, he studied political science at Rheinische Friedrich-Wilhelms-Universitat in Bonn and later earned a PhD in International Studies at the University of Denver. He later taught African and International Studies at Southern Oregon University, while much of his academic work focused on southern Africa and the politics of a globalized world.
That background matters.
Niemann did not come to fiction by walking away from public life and policy. He brought those concerns with him. His first published work of fiction was Africa Always Needs Guns, a Valentin Vermeulen story that appeared in the 2012 Mystery Writers of America anthology Vengeance, edited by Lee Child. That story introduced a lead character who gave Niemann a strong lane as a novelist: a United Nations investigator who follows money, paperwork, and institutional failure, then finds himself pulled into crimes much larger than the original assignment.
The novels built outward from there. Legitimate Business begins in Darfur, where a routine audit turns into a murder and arms-smuggling investigation. Illicit Trade moves through New York, Newark, Vienna, and Kenya as forged documents point to a much bigger network. In Illegal Holdings, a missing transfer in Mozambique leads Vermeulen into development aid, land deals, and corruption. That book went on to win the 2019 Silver Falchion Award for Best Thriller.
Readers who stay with Niemann's work usually like the same things. The settings feel lived in. The crimes are tied to real institutions and real pressure points. And Valentin Vermeulen is not built like a superhuman action figure. Books such as No Right Way, Percentages of Guilt, and The Last Straw keep widening the map, but they stay close to the human cost of fraud, displacement, and official indifference.
He writes about money trails, broken systems, and people trying not to disappear inside them.
His nonfiction sits beside the novels rather than apart from them. He is also the author of A Spatial Approach to Regionalism in the Global Economy, and his academic articles have dealt with global politics and regional change. Even there, the through line is easy to spot. He is interested in how large forces shape daily life, and how people try to push back.
There is a personal side to that interest, too. Over the years he spent time in southern Africa, shared meals and conversations far from conference rooms, and even interviewed Morgan Tsvangirai before Tsvangirai became prime minister of Zimbabwe. Those experiences help explain why Niemann's thrillers rarely feel like armchair tourism. The places matter, and so do the people who live with the consequences.
Now based in southern Oregon, Niemann remains a writer whose thrillers move quickly but keep one eye on the wider world. The books ask who benefits, who pays, and what justice can look like when the official version is not enough.
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