Man One

by Loren D. Estleman

Hard-boiled Private Investigator Amos Walker races to save a beautiful widow in the latest mystery from Loren D. Estleman—master of the noir PI novel and recipient of the Private Eye Writers of America’s Lifetime Achievement Award.

“Loren D. Estleman is my hero”—Harlan Coben

“Hanging out with Walker offers limitless pleasures”—NYT Book Review

“Reading a new Amos Walker novel is an act of pure joy”—Booklist

Young widow Sage Holland doesn’t look like a murderer—and that’s because she isn’t one. The beautiful dame has driven non-stop from her home in frozen Alaska to seek out the services of private investigator Amos Walker, bringing not just the ice and snow with her. Sage has a her late husband’s vengeful brother, who’s determined to make her pay for a crime she didn’t commit. Someone killed David, but it wasn’t her.

Walker is no fool. He knows not to take the words of husky-voiced, sorrowful women at face value. But Sage is in sore need of protection, and Walker’s hunt for clues on Detroit’s wintry streets soon leads to far more dead bodies than expected. He’ll have to use every trick he’s learned if he’s to keep not just his client’s blood, but also his own from staining the snow.

173 pages, Kindle Edition

Published February 3, 2026

About the author

Loren D. Estleman is an American writer of detective and Western fiction. He writes with a manual typewriter.

Estleman is most famous for his novels about P.I. Amos Walker. Other series characters include Old West marshal Page Murdock and hitman Peter Macklin. He has also written a series of novels about the history of crime in Detroit (also the setting of his Walker books.) His non-series works include Bloody Season, a fictional recreation of the gunfight at the O.K. Corral, and several novels and stories featuring Sherlock Holmes.

Series:
* Amos Walker Mystery
* Valentino Mystery
* Detroit Crime Mystery
* Peter Macklin Mystery
* Page Murdock Mystery

Reviews

[Macey Stokes · Rating 5 out of 5]

Great classic noir set in Detroit.

[David Prestidge · Rating 4 out of 5]

Loren D Estleman’s Detroit PI Amos Walker is reassuringly traditional. It is close to a century since Dashiell Hammett introduced us to Sam Spade, and his legacy includes such gentlemen as Messrs Marlowe, Archer, Hammer, McGee and Spencer. I must add Janet Roger’s little known Newman (Shamus Dust 2019) into the mix, as that was the best non-Chandler PI novel I have ever read (and re-read).

Walker’s latest prospective client is Sage Holland, a woman dubbed by the tabloid press as The Black Widow. She has been tried and convicted of poisoning her husband, but on appeal, the conviction, for ‘Man One” ( first degree manslaughter) has been overturned on the grounds of prosecutorial misconduct. Now, she is being pursued and harassed by her late husband’s brother Greg, and she wants Walker’s help. He is partly convinced, despite this gem of an exchange:

“Why did Dave’s brother suspect you poisoned him?”
“He hates me. He always did.”
“He needed more than that to go on to arrive at poison. Ricin is only detectable during autopsy. Until then, it looks like a stroke or a heart attack.”
“Well, there were my first two husbands. They were about the same age as Dave when they died.”

Estleman never wastes an opportunity to remind us that Walker is a low budget operator:

“I tipped a hand toward the customer’s chair. She went to it, slinging a glance around the luxury accoutrements, the obsolete file cases, the Sunday school desk, a piece of reclaimed carpet from a five-year-old auto show. The much older and even more obsolete party, making himself uncomfortable behind the desk.”

Walker’s eye for detail is downbeat buy brutally accurate. He describes a neighbourhood loan shark:

“You had to look beyond the green plaid jacket and pre-tied bow tie, the baggy grin and the barber school haircut to see the dead eyes of an eel. And behind them, the brain that worked on a system of gears and pulleys like the machine on his desk.”

Walker enlists the help of his occasional assistant, Rafael Mesquino, an illegal immigrant who made it to America ‘with the bananas and tarantulas’. Mesquino fails to make a meeting. Worried, Walker finds the little man shot dead in his meagre lodgings, and begins to to comprehend just how much trouble Sage Holland is bringing into his life.We briefly meet Greg Holland when, fed up with being stalked, Walker invites him inside for a chat. The next time we see him, he is still in his car, but slumped over the steering wheel, dead from a small calibre gunshot to the head.

Following the furrow ploughed by writers such as Chandler and Robert B Parker should, in theory, be easy, but it has its pitfalls. Readers are well versed in the tropes, the seasoned dialogue and the cynical observations. Write something slightly out of tune, and you will be found out. Estleman sticks to the script, and even manages to bring his own nuances to this well established genre. The plot is every bit as complex and circuitous as that of The Big Sleep, but Estleman doesn’t leave us wondering who killed the chauffeur. Man One will be published by Severn House on 3rd February.

[Pam Elliott · Rating 4 out of 5]

Man One is book 33 in the Amos Walker series. It has been many years since I read one of Loren D. Estleman’s books, and I wanted to see if his short, tough-guy noir reads still gave me joy. Amos has aged (as have we all!) but is still a PI for hire, if you are lucky enough to convince him to take your case.
Amos is a throw-back to old-fashion, politically-incorrect gumshoe action. Not my usual read certainly. In Man One, a young widow, Sage Holland, arrives in Detroit during a snow storm, driving non-stop from her home in Alaska to hire Amos to help her with her stalker. Her late husband’s vengeful brother is a cop and convinced Sage killed his brother. How much danger is Sage in? Amos is no fool, but he is a sucker for a damsel in distress.
One of Estleman’s powers is his keen since of place. You feel the icy cold of Detroit during a snowstorm. The cold is a character in Man One. In fact Estleman has a series of stand-alones called the Detroit Trilogy which attempt to relay the history of modern Detroit, from prohibition to organized crime. His books are as much about a mystery as they are about Detroit.
Estelman has the sharp prose, the tough-guy tropes, and expert sleuthing of Raymond Chandler and Dashiell Hammett and has won many awards stating so. While I do not normally read hard-boiled detective novels, I have always had time to catch up with Amos Walker. I love that he has aged with each outing. Amos has slowed down physically but not cognitively – his lively wit is still charming.
Don’t look for excessive plotting in Amos Walker books – just a bit of fun and lots of great Detroit setting.
My rating: 4 of 5
This ARC title was provided by Netgalley.com at no cost, and I am providing an unbiased review. Man One will be published on Feb. 3, 2026.

[Abibliofob · Rating 4 out of 5]

Amos Walker is maybe not the most talked about private detective but I have been following him now for thirtythree books. Loren D. Estleman writes in the classic noir detective style about this Detroit based dare I say hero. Man One is the latest case for Amos and this time it's (surprise) a young good looking woman in need of help. She was once accused of murder but was never convicted and now someone is harassing her. Will Walker be able to help? Well it very soon becomes complicated and he has to dig deep among his sources to figure this case out. Along the way we have some murder to deal with and also the fact that all isn't what it seems to be. I have since I was around fifteen years old loved the noir private detective style and I am glad to say that there are a few authors left who still writes in this style and at least three of them has placed their detectives in Detroit. Ther must be something about that city. I must thank Netgalley and Severn House for letting me read this advance copy. The book is available on the 3rd of February 2026.

[Diane Hernandez · Rating 4 out of 5]

Amos Walker is a Detroit private detective who has seen it all. Then, Sage walks in with a story to tell about her Man One conviction for killing her husband in Alaska. Her conviction was overturned. But her husband’s brother is still hunting her, desperate for revenge. Can Amos help her? Of course. But how many more bodies must pile up in this hard boiled noir thriller before its conclusion?

Man One seems a bit forced from the traditional 1940s setting into modern day. Sage has a cellphone. Yet Amos’ informant still uses a pay phone for his calls. Amos refers to indigenous US people as Indians, which may offend some readers.

For those familiar with noir tropes, it will be easy to see whodunnit. However, it is still a fun throwback to noir classics by Chandler, Hammett and Cain. 4 stars and highly recommended to fans of this sub genre.

Thanks to NetGalley and Severn House for providing me with an advanced review copy.

[Bill Lucas · Rating 5 out of 5]

Amos Walker never disappoints Loren Estleman remains a Grandmaster of his craft.

Any reader of the classic PI genre needs to read Walker. I have from the very beginning.
Mr. Estleman lwrites from the heart and shoots from the hip.
I just wish Walker would get paid by a honest client once in awhile.
A shout out to Iris Barry Stackpole still in place but I'm already missing John Alderdyce

[Sandy · Rating 4 out of 5]

A dame walks into a P.I.’s office. This book really reminds me of the old P.I. stories from the 20s and 30s but set in modern day Detroit. And even though this is book 33 in a series, it’s the first one I’ve read and it works well as a stand alone. I definitely recommend this to anyone who’s a fan of the genre.

[Wayne · Rating 5 out of 5]

First time reading Loren Estleman, and just wow. Really enjoyed this book, as it had great characters, great story, and great pacing. I will definitely be reading the earlier books in this series. #ManOne #NetGalley

[David C Ward · Rating 4 out of 5]

4 stars because I like the series but while the patter is as snappy as ever the plot is very thin.
Pro tip: if you’re charged with murder don’t hire your tax attorney to defend you.