The most recommended private investigator books

Who picked these books? Meet our 370 experts.

370 authors created a book list connected to private investigators, and here are their favorite private investigator books.
Shepherd is reader supported. When you buy books, we may earn an affiliate commission.

What type of private investigator book?

Loading...
Loading...

Book cover of Code of Conduct

Sharon Michalove Author Of At First Sight

From my list on romance, mystery, and suspense in Chicago.

Why am I passionate about this?

I was born in Chicago and grew up in the suburbs. After a career at the University of Illinois, 150 miles downstate, I moved back to my hometown to recapture the urban vibe that I love. A historian, I love the stories that architecture tells me and wandering the streets of the city never stales. Having romance in my life is important and writing about how relationships can develop in the city is part of that. Everywhere I go in Chicago, I think of how my characters might interact with each other and the setting. Romance can be found in grand restaurants and in odd corners and Chicago has it all.

Sharon's book list on romance, mystery, and suspense in Chicago

Sharon Michalove Why did Sharon love this book?

This book combines romance and suspense, humor, and action, all in one package. Shane, a P. I., and Gabriel, a security expert, are separately investigating a person of interest. They eventually cooperate to catch their villain. This is a slow-burn romance with a stiff-upper-lip Brit, working for Cipher Systems in Chicago and an amputee who takes no prisoners. Their explosive mix makes for an exciting ride with a great love story. 

I loved that both Gabriel and Shane live in The Manor, which is the former British consulate. I’d live there myself if I could afford it. Having characters situated in neighborhoods that I know makes the reading experience more authentic. I also loved how Shane handles being an amputee. Her scenes with her prosthetics designer are hilarious.

By April White,

Why should I read it?

1 author picked Code of Conduct as one of their favorite books, and they share why you should read it.

What is this book about?

** 2021 RWA Vivian Award Finalist – Romantic Suspense **

** Finalist in the 2020 Next Generation Indie Book Awards **

“The slow-burn romance between Gabriel and Shane becomes delicious torture. This is a winner.” – Publishers WeeklyStarred Review

There are three things you need to know about Shane P.I.
1) P.I. is not her last name, it’s her job title,
2) Her specialty is catching cheaters, and
3) She’s a superhuman – kind of.

Gabriel is a security expert for Cipher Security, and a former UN Peacekeeper with a fierce protective streak that finds its focus on the beautiful…


Book cover of Whatever Happened to Betsy Blake?

Cheryl Rees-Price Author Of The Silent Quarry

From my list on crime to keep you turning the pages.

Why am I passionate about this?

I am the author of the DI Winter Meadows series. I love reading and writing crime fiction, especially books set in rural locations. I live in South Wales where I go hiking mountains, exploring caves, and discovering waterfalls. I take inspiration from these remote areas and close-knit communities to create the settings, characters, and plots for my books.

Cheryl's book list on crime to keep you turning the pages

Cheryl Rees-Price Why did Cheryl love this book?

The book grabs your attention from the first chapter.

Lenny Moon is a struggling Private investigator who is asked to look into the disappearance of Betsy Blake. Betsy disappeared 17 years ago when she was 4 years old. The catch? Betsy’s father is about to go into heart surgery with only a 50 percent chance of survival. The clock is ticking.

The book quickly draws you in and keeps up the tension throughout. The characters are engaging, particularly the girl who is kept in the basement. The clues are all there and even if you think you’ve worked it out the twist at the end will leave you reeling. I raced through this book desperate to know the outcome.

By David B. Lyons,

Why should I read it?

1 author picked Whatever Happened to Betsy Blake? as one of their favorite books, and they share why you should read it.

What is this book about?

★★★★★ "Best book of the year" - The Book Magnet

Whatever happened to Betsy Blake? can be read as a standalone story. Betsy Blake was only four years old when she vanished outside her family home in Dublin.
Her father – wracked with guilt for the past seventeen years – still can’t bring himself to admit the search is over, despite the fact that his wife has moved on and police have closed off the investigation.

When he is informed he must undergo major heart surgery that he only has a fifty percent chance of surviving, Gordon Blake hires a…


Book cover of Nightfall

Steven Bannister Author Of The Black Net

From my list on combining real world drama with something otherworldly.

Why am I passionate about this?

I have written seven novels to date that have at their heart the idea that there is a wider, unseen game afoot that is being played out in realms about which normal humans are unaware. Six of them form the Allie St Clair ‘Black’ series, and the seventh is a stand-alone novel called The Unforgiver. Why do I write about these things? Very probably my teenage reading of Stephen King’s early work, HP Lovecraft’s collection, and my personal connection to Satan. Just kidding. I’ve never read any Lovecraft. To be serious, how can you not gaze into the infinite cosmos above and not wonder if there’s a lot more going on than we comprehend?

Steven's book list on combining real world drama with something otherworldly

Steven Bannister Why did Steven love this book?

U.K. author Stephen Leather has written so many books and in a variety of genres. His supernatural Detective Jack Nightingale series is of interest to me here. In Nightfall and subsequent Jack Nightingale novels, our hero is struggling against demonic forces brought into his orbit courtesy of his now-dead father. Unusual, certainly. Many readers, I suspect, enjoy the injection of a new element into the now-crowded police procedural genre. 

By Stephen Leather,

Why should I read it?

1 author picked Nightfall as one of their favorite books, and they share why you should read it.

What is this book about?

'You're going to hell, Jack Nightingale': They are words that ended his career as a police negotiator. Now Jack's a struggling private detective -- and the chilling words come back to haunt him. Nightingale's life is turned upside down the day that he inherits a mansion with a priceless library; it comes from a man who claims to be his father, and it comes with a warning. That Nightingale's soul was sold at birth and a devil will come to claim it on his thirty-third birthday -- just three weeks away. Jack doesn't believe in Hell, probably doesn't believe in…


Twelve Palominos

By Joe Kilgore,

Book cover of Twelve Palominos

Joe Kilgore Author Of Misfortune’s Wake

New book alert!

Why am I passionate about this?

In a previous career, I traveled extensively to many parts of the world. I always found new cultures, old traditions, strange languages, and exotic environments fascinating. Perhaps even more fascinating, were the expats I found who had traded in their home country for an existence far from where they were born and different from how they were reared. In many instances, I’ve attempted to incorporate—in Heinlein’s words—this stranger in a strange land motif in my work. It always seems to heighten my interest. I hope the reader’s as well. 

Joe's book list on expat adventures

What is my book about?

San Diego Private Investigator, Brig Ellis, is hired by a wealthy industrialist to help him acquire the final horse in a set of twelve palomino miniatures that once belonged to the last Emperor of China. What begins as a seemingly reasonable assignment quickly morphs into something much more malevolent.

The gumshoe has to deal not only with brigands, kidnappers, and commies, but also with the beautiful, enigmatic daughter of the industrialist whose involvement raises the danger level exponentially. As complications and the body count rise, Ellis tries to make sure this ill-fated job won’t be his last.

Twelve Palominos

By Joe Kilgore,

What is this book about?

San Diego Private Investigator, Brig Ellis, is hired by a wealthy industrialist to help him acquire the final horse in a set of twelve palomino miniatures that once belonged to the last Emperor of China. What begins as a seemingly reasonable assignment quickly morphs into something much more sinister. The intrepid gumshoe finds himself having to bargain with brigands, kibitz with kidnappers, clash with commies, and duel with a stone cold assassin incapable of feeling pain. All while navigating potentially deadly pitfalls instigated by his employer's beautiful but enigmatic daughter. Conflict and danger increase at warp speed as Ellis tries…


Book cover of Wall of Glass

Carl and Jane Bock Author Of Day of the Jaguar: An Arizona Borderlands Mystery

From my list on mysteries about the American Southwest.

Why are we passionate about this?

Deserts are inherently mysterious places. This likely explains why so many good mystery novels have been set in them. We spent better than forty years doing field work in the American Southwest, and we have found mystery novels based in this region among the very best. All good mystery novels must have strong plots and memorable characters, but to us an equally important component is setting. Jane is a botanist with expertise in the use of plant evidence in solving murder cases. Carl is a vertebrate zoologist and conservation biologist. Upon retirement we began writing mysteries. Some are set in the desert grasslands of Arizona, and all are inspired by the southwestern authors we have selected as our favorites.     

Carl's book list on mysteries about the American Southwest

Carl and Jane Bock Why did Carl love this book?

On the surface at least, Santa Fe is an artsy place full of elegant and sophisticated people. Private investigator Joshua Croft is none of these things, but he does know his way around town. His partner Rita Mondragon is older and wiser and better connected than Joshua. She’s also rather mysterious. Together they solve cases that either have baffled the local police or were of no particular interest to them. In Wall of Glass, the first in the series, a jewelry theft followed quickly by two seemingly unrelated murders draw the pair into the dark world of contraband art and artifacts. We particularly like this series for the complex and nuanced relationship between the two protagonists, and for the ways in which the author captures both the physical and cultural environment of one of America’s oldest cities. 

By Walter Satterthwait,

Why should I read it?

1 author picked Wall of Glass as one of their favorite books, and they share why you should read it.

What is this book about?

In the first book of a “promising” Southwestern mystery series, a Santa Fe PI’s search for a stolen necklace leads to drugs, pornography, and murder (The New York Times Book Review).
 
As an associate at Santa Fe’s Mondragon Detective Agency, Joshua Croft has heard a lot of strange proposals. But nothing stranger than when a cowboy comes in and asks him to help fence a stolen $100,000 necklace. Thinking he has a deal with Croft, the cowboy leaves as mysteriously as he arrived. The next day he turns up dead, riddled with bullets, and the insurance company that already settled…


Book cover of Crashed: A Junior Bender Mystery

Charlotte Stuart Author Of Why Me?: Chimeras, Conundrums, and Dead Goldfish

From my list on relieving stress with a little humor.

Why am I passionate about this?

Most of my mysteries fall somewhere on a humor continuum from laugh-out-loud to edgy. Because of the tone and lack of graphic sex or violence, they are often labeled as “cozies.” But all humorous mysteries are not cozies. To explain the different types of humor, I developed a matrix of five categories—kooky, comic, amusing, edgy, and dark. I’ve done numerous guest posts on my matrix, identifying authors from each category and discussing why readers are drawn to different types of humor based on brain dominance profiles and personality types. I also refer to my matrix and the nature of branding when discussing the function of humor in mysteries. 

Charlotte's book list on relieving stress with a little humor

Charlotte Stuart Why did Charlotte love this book?

I like the protagonist—burglar Junior Bender. He’s a good-hearted crook who finds himself entangled in strange situations that are often laugh-out-loud funny. I appreciate that he isn’t just another amoral crook but has his own moral code that fits his lifestyle and profession.

In addition, although he’s a fairly successful thief, he manages to do some pretty inept things, which only add to his likeability. I’ve read books in several other series by this author and find them consistently amusing. 

By Timothy Hallinan,

Why should I read it?

2 authors picked Crashed as one of their favorite books, and they share why you should read it.

What is this book about?

Quick-talking burglar Junior Bender gets blackmailed into starting a new career as a private investigator for crooks in this hilarious Hollywood mystery
 
Junior Bender, a burglar with a magic touch, is being blackmailed into taking on a new freelance job. One of LA’s biggest crime bosses is producing a porn movie that someone keeps sabotaging; Junior’s job is to figure out who’s responsible and keep the movie on track.

The trouble is, he’s not sure he can go through with the job, blackmail or no blackmail. The actress lined up to star in the film, Thistle Downing, is an ex-child…


Book cover of Mr. Bazalgette's Agent

Caitlin Davies Author Of Private Inquiries: The Secret History of Female Sleuths

From Caitlin's 3 favorite reads in 2023.

Why am I passionate about this?

Author Novelist Historian Jumble lover Swimmer

Caitlin's 3 favorite reads in 2023

Caitlin Davies Why did Caitlin love this book?

Mr. Bazalgette’s Agent was published in 1888 and is said to be the first British novel to feature a professional female detective.

Twenty-eight-year-old Miriam Lea, a former actress, is a ‘lady of brains’ who applies for a job at Alfred Bazalgette’s Inquiry Office in London. 

Miriam is an ‘adventuress’ who longs to be successful in her new career, but when she sets off to the diamond mines of South Africa to find a clerk accused of fraud, she’s acutely aware this isn’t a job for a lady.

Mr. Bazalgette’s Agent is a fast-paced read. Miriam is independent and resourceful, and the novel gives a good insight into how Victorian readers viewed private detection. The end made me laugh out loud, although I don’t think this was the author’s intention.

By Leonard Merrick,

Why should I read it?

1 author picked Mr. Bazalgette's Agent as one of their favorite books, and they share why you should read it.

What is this book about?

When Miriam Lea falls on hard times, an advertisement calling for private agents catches her eye, and within weeks she finds herself in Mr Bazalgette's employ as a private detective, travelling on a train to Hamburg in pursuit of an audacious fraudster. What follows is a journey through some of the great cities of Europe - and eventually to South Africa - as Miss Lea attempts to find her man. Miriam Lea is only the third ever British professional female detective to appear in a work of crime fiction. Originally published in 1888, Mr Bazalgette's Agent presents a determined and…


Book cover of A Study in Emerald

Christian Klaver Author Of Sherlock Holmes and Count Dracula

From my list on Sherlock Holmes mash-ups.

Why am I passionate about this?

My name is Christian Klaver, and I’ve had, in turn, many different jobs as a bookseller, martial arts instructor, and bartender before settling into a career in internet security. Books have always been a passion of mine, with science fiction, fantasy, and mystery as my main focus. I’ve been a lifelong fan of Sherlock Holmes and am a proud member of two different Sherlock Holmes Societies.

Christian's book list on Sherlock Holmes mash-ups

Christian Klaver Why did Christian love this book?

While the others are novels, this is merely a short story and included in several collections. However, this is one of the more fantastic executions here, and well worth the time to track it down.

Just read it, read it now. It’s short, you have time. You won’t regret it. I promise.

By Neil Gaiman, Rafael Albuquerque, Rafael Scavone (illustrator) , Dave Stewart (illustrator)

Why should I read it?

1 author picked A Study in Emerald as one of their favorite books, and they share why you should read it.

What is this book about?

This supernatural mystery set in the world of Sherlock Holmes and Lovecraft's Cthulhu Mythos features a brilliant detective and his partner as they try to solve a horrific murder.

The complex investigation takes the Baker Street investigators from the slums of Whitechapel all the way to the Queen's Palace as they attempt to find the answers to this bizarre murder of cosmic horror!

From the Hugo, Bram Stoker, Locus, World Fantasy, Nebula award-winning, and New York Times bestselling writer Neil Gaiman comes this graphic novel adaptation with art by Eisner award winning artist Rafael Albuquerque!


Book cover of The Silver Pigs: A Marcus Didius Falco Mystery

Hannah Cornwell Author Of Pax and the Politics of Peace: Republic to Principate

From my list on ancient Rome and its empire.

Why am I passionate about this?

I’m a Roman historian (associate professor at the University of Birmingham, UK), who’s particularly interested in understanding the nature of Roman power and how Rome’s presence and impact within the Mediterranean changed over time. I’m dyslexic and I think this, in part, might explain why I am quite a visual learner and find material culture a really valuable way to engage with the past, just as much as through written sources.  I really hope that my selection of books offers you various different (and perhaps new) ways to think about ancient Rome!

Hannah's book list on ancient Rome and its empire

Hannah Cornwell Why did Hannah love this book?

I love historical detective novels, and this one, set in AD 70, is a great way to immerse yourself in the Roman world. Lindsey Davis does her research, creating a real, lived-in space that makes the ancient past feel alive and present.

Another big plus is that it’s hilariously entertaining: I’m regularly guffawing out loud while reading it. Best of all? It’s the first book in a fantastic series, and I’ve enjoyed following private instigator Marcus Didius Falco, and then later his daughter, Flavia Alba, over a number of adventures across the city of Rome and the wider Empire.

By Lindsey Davis,

Why should I read it?

4 authors picked The Silver Pigs as one of their favorite books, and they share why you should read it.

What is this book about?

Rome. AD 70. Private eye Marcus Didius Falco knows his way round the eternal city. He can handle the muggers, the police and most of the girls. But one fresh 16 year old, Sosia Camillina, finds him a case no Roman should be getting his nose into . . . Sosia's uncle is a Senator with suspicions. Some friends, Romans and countryment are doing a highly profitable, if highly illegal, trade in silver ingots or pigs. For Falco it's the start of a murderous trail that leads far beyond the seven hills. To a godforsaken land called Britain, to Emperor…


Book cover of Private Vegas

Gary Van Haas Author Of E.B.E.: Extraterrestrial Biological Entity

From my list on that will take you into an extraordinary world.

Why am I passionate about this?

I have picked these books because I have a passion for good reading material. All the books I have chosen have become reading classics in their own way. They are well written and have plots that go well beyond normal literature in a sense that they unveil the 'human condition' into the realm of the protagonist being up against all odds, where in the end, truth reveals all!       

Gary's book list on that will take you into an extraordinary world

Gary Van Haas Why did Gary love this book?

This book was a birthday gift from a good friend and fellow writer at The Guardian. It captured my interest immediately because I enjoy Patterson. This exciting action thriller explores the seedy life of Las Vegas, where love and murder are lost and found for a few quick dollars.

I especially enjoyed his tale with wild twists, where his main character, Jack Morgan, is continually beaten down and challenged through incredible odds and tribulations.  

By James Patterson, Maxine Paetro,

Why should I read it?

2 authors picked Private Vegas as one of their favorite books, and they share why you should read it.

What is this book about?

_____________________________
Showgirls. Millionaires. Murder.

Jack Morgan, head of Private Investigations, the global PI agency of the rich and famous, is being pushed to the limit. His car has been firebombed, his ex is dating someone else, and his twin brother is still out to destroy him.

But Private doesn't rest, and nor do its clients: not the LAPD who need Private's help catching two scumbags with diplomatic immunity, and not the client who has just confessed to murdering his wife.

Add to that Jack's best friend being held on a trumped-up charge that could see him locked away for a…


Book cover of The Running Grave: A Cormoran Strike Novel

Bob Burnett Author Of Death is Potential: A Kate Swift Mystery

From my list on mysteries featuring steamy romance.

Why am I passionate about this?

At one time, it was commonplace for male mystery writers to devote a substantial amount of plot to romance; for example, Wilkie Collins, The Woman in White or Dashiell Hammett, The Maltese Falcon. In recent years, this tradition has eroded to the point where romantic mysteries are primarily written by women. I think romance spices up mysteries. In Death is Potential, Kate Swift is more invested in solving the murder mystery because she is protecting her lover.

Bob's book list on mysteries featuring steamy romance

Bob Burnett Why did Bob love this book?

I like this series because it is well written and the author – J.K. Rowling writing as Robert Galbraith – always features clever plot twists.

The Cormoran Strike series features an on again, off again romance between private investigator Cormoran Strike and his partner, Robin Ellacott. In the latest installment, The Running Grave, Cormoran and Robin are hired by a wealthy man whose son has joined a cult.

Robin joins the cult and moves into its rural Norfolk headquarters. The chapters devoted to her cult experience are well-written and creepy. Too bad there’s not more sex.

By Robert Galbraith,

Why should I read it?

3 authors picked The Running Grave as one of their favorite books, and they share why you should read it.

What is this book about?

'The work of a master storyteller'
Daily Telegraph

'One of crime's most engaging duos'
Guardian
________

Private Detective Cormoran Strike is contacted by a worried father whose son, Will, has gone to join a religious cult in the depths of the Norfolk countryside.

The Universal Humanitarian Church is, on the surface, a peaceable organisation that campaigns for a better world. Yet Strike discovers that beneath the surface there are deeply sinister undertones, and unexplained deaths.

In order to try to rescue Will, Strike's business partner Robin Ellacott decides to infiltrate the cult and she travels to Norfolk to live incognito…