Here are 62 books that Think of a Number fans have personally recommended if you like Think of a Number. Book DNA is a community of 12,000+ authors and super readers sharing their favorite books with the world.

When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

Book cover of Coma

Julie Hatch Author Of The Very Best of Care

From my list on medical thrillers for a female audience.

Why am I passionate about this?

I’ve loved biology and medicine since the fifth grade when I learned about white blood cells and their function. For thirty years, I worked in intensive care where adrenaline levels run high. A good thriller does the same. It keeps my heart beating fast and my attention completely focused. Yet also, I’m a mother of three boys, and I’ve always worked in pediatrics and neonatology. I love kids, and I love being a mom. The heart in these books makes them more than simply an adrenaline fix on the page. I find the blend of heart with page-turning intrigue makes for a perfect read. 

Julie's book list on medical thrillers for a female audience

Julie Hatch Why Julie loves this book

In my opinion, Robin Cook is the father of the medical thriller, and this is his best.

It’s an old but classic medical thriller, one that I’ve reread numerous times. It’s one that I hold up against all medical thrillers as the gold standard. Good character development, solid plot, and a great twisty ending. It’s dated, but still a solid medical thriller.

By Robin Cook ,

Why should I read it?

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

What is this book about?

The blockbuster bestseller that kickstarted a new genre--the medical thriller--is now available in trade paperback for the first time.
They called it "minor surgery," but Nancy Greenly, Sean Berman and a dozen others--all admitted to Boston Memorial Hospital for routine procedures--were victims of the same inexplicable, hideous tragedy on the operating table. They never woke up.
Susan Wheeler is a third-year medical student working as a trainee at Boston Memorial Hospital. Two patients during her residency mysteriously go into comas immediately after their operations due to complications from anesthesia. Susan begins to investigate the causes behind both of these alarming…


If you love Think of a Number...

Ad

Book cover of Aggressor

Aggressor by FX Holden,

It is April 1st, 2038. Day 60 of China's blockade of the rebel island of Taiwan.

The US government has agreed to provide Taiwan with a weapons system so advanced that it can disrupt the balance of power in the region. But what pilot would be crazy enough to run…

Book cover of Towards Zero

Cristina LePort Author Of Change of Heart

From my list on thrillers for mystery and unexpected twists.

Why am I passionate about this?

Although I didn’t start writing until my forties, I never had any doubts about my favorite genre. I’m a doctor and love thrillers. I’m fascinated by convoluted plots harboring mysteries that deepen and hook the reader, making it impossible to put the book down until an unexpected twist ties all the loose ends. It reminds me of my daily fight as a doctor against disease and death. In real life, I hate roller coasters, but I love entering a thrilling imaginary world and riding the sharp turns and shocking twists, holding my breath, clenching my book until the climax makes me gasp as I regret leaving the characters and the exhilarating experience. 

Cristina's book list on thrillers for mystery and unexpected twists

Cristina LePort Why Cristina loves this book

This is my favorite novel by The Queen of Mystery. What I like the most is the originality of the plot, which is the story that leads to time 0, the time of the murder. In her own words: “A murder is the culmination of a lot of different circumstances, all converging at a given point.” That was when apparently unrelated events consolidated into a twist I didn’t see coming. 

From this highly suspenseful novel, I learned that the best way to intensify the mystery is to think outside the box and inject the unexpected and the unusual into the story. I also learned how to create vivid characters by revealing their essence in action. In only 124 pages, she brings to life her characters with 3-dimensional precision. 

By Agatha Christie ,

Why should I read it?

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

What is this book about?

A new CD audio edition of Agatha Christie's thriller, featuring Superintendent Battle.

What is the connection between a failed suicide attempt, a wrongful accusation of theft against a schoolgirl, and the romantic life of a famous tennis player?

To the casual observer, apparently nothing. But when a houseparty gathers at Gull's Point, the seaside home of an elderly widow, earlier events come to a dramatic head.

It's all part of a carefully paid plan - for murder...


Book cover of The Spy Coast: A Thriller

Cristina LePort Author Of Change of Heart

From my list on thrillers for mystery and unexpected twists.

Why am I passionate about this?

Although I didn’t start writing until my forties, I never had any doubts about my favorite genre. I’m a doctor and love thrillers. I’m fascinated by convoluted plots harboring mysteries that deepen and hook the reader, making it impossible to put the book down until an unexpected twist ties all the loose ends. It reminds me of my daily fight as a doctor against disease and death. In real life, I hate roller coasters, but I love entering a thrilling imaginary world and riding the sharp turns and shocking twists, holding my breath, clenching my book until the climax makes me gasp as I regret leaving the characters and the exhilarating experience. 

Cristina's book list on thrillers for mystery and unexpected twists

Cristina LePort Why Cristina loves this book

I love this author, and this is one of my favorite books. I was delighted by the complex characters and the ingenious and breathtaking twists. At the same time, the incongruence of the situation fascinated me and made me smile.

At first, I thought, “Why would I want to read a story about a bunch of Martini-drinking, chicken-raising old fogies living in the middle of nowhere?  I’m glad I did. It turned out like nothing I expected. As the book cover advertises: “Once a spy, always a spy.”

By Tess Gerritsen ,

Why should I read it?

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

What is this book about?

A retired CIA operative in small-town Maine tackles the ghosts of her past in this fresh take on the spy thriller from New York Times bestselling author Tess Gerritsen.

Former spy Maggie Bird came to the seaside village of Purity, Maine, eager to put the past behind her after a mission went tragically wrong. These days, she’s living quietly on her chicken farm, still wary of blowback from the events that forced her early retirement.

But when a body turns up in Maggie’s driveway, she knows it’s a message from former foes who haven’t forgotten her. Maggie turns to her…


If you love John Verdon...

Ad

Book cover of Trusting Her Duke

Trusting Her Duke by Arietta Richmond,

A Duke with rigid opinions, a Lady whose beliefs conflict with his, a long disputed parcel of land, a conniving neighbour, a desperate collaboration, a failure of trust, a love found despite it all.

Alexander Cavendish, Duke of Ravensworth, returned from war to find that his father and brother had…

Book cover of The Housemaid

Roberta Gately Author Of The Ambassador's Wife

From my list on mystery and thrillers with unexpected twists turns.

Why am I passionate about this?

I am a long-time ER nurse, aid worker, and writer, and I have long been fascinated by true crime/mysteries; much of that interest honed in the ER, where I was often stumped when patient injuries or recollections of witnesses didn’t quite add up. As amateur detectives, we ER nurses often hounded detectives with our own theories, and in one especially big murder case, we had figured out exactly what had happened and who the real killer was before the detectives did. I am also a voracious reader and love a good mystery/thriller to take me away from real life, except when I am solving real life crimes on Dateline.

Roberta's book list on mystery and thrillers with unexpected twists turns

Roberta Gately Why Roberta loves this book

This was my first Freida McFadden book, and I was drawn in from the start and though I wasn’t sure how I felt about the narrator (the maid) or the husband and wife who hired her; I love a main character who makes me cringe and that she was the housekeeper privy to the owners’ secrets kept me guessing.

The prologue set me up for an ending that I never saw coming. Is she a housemaid or something else? I read this in one sitting!

By Freida McFadden ,

Why should I read it?

16 authors picked The Housemaid as one of their favorite books, and they share why you should read it.

What is this book about?

Don't miss the New York Times and USA Today bestseller and addictive psychological thriller with a jaw-dropping twist that’s burning up Instagram and TikTok--Freida McFadden’s The Housemaid is perfect for fans of Ruth Ware, Lisa Jewell, and Verity.

Every day I clean the Winchesters’ beautiful house top to bottom. I collect their daughter from school. And I cook a delicious meal for the whole family before heading up to eat alone in my tiny room on the top floor.

I try to ignore how Nina makes a mess just to watch me clean it up. How she tells strange lies…


Book cover of The Gods of Gotham

Eleanor Kuhns Author Of Murder on Principle

From my list on historical mysteries with a dash of social commentary.

Why am I passionate about this?

I love the mysteriousness of the past. Learning dates or the importance of battles does not yield understanding. Skillfully written historical fiction can make a reader live history—in a twelfth-century abbey or nursing in WWI. The characters I find the most gripping are outsiders: a Black man always in danger of capture and slavery, and investigating the murders of the marginalized; a monk, once a crusader, who sees human frailties clearly; or a Victorian lady, restless under the constraints of her time, who marries beneath her. Why murder mysteries? Because, although murder is forbidden in almost every culture and every religion, we still kill each other. 

Eleanor's book list on historical mysteries with a dash of social commentary

Eleanor Kuhns Why Eleanor loves this book

Disfigured and jobless after a fire, Timothy Wilde takes a job with the newly formed NYPD. He is assigned to the Sixth Ward, right on the border of the Five Points, a ward notorious for the desperately poor who live there and the rampant crime. One night he finds a young girl running through the street in a nightgown soaked with blood. She tells an unbelievable story of bodies buried in a nearby woods. Wilde investigates and soon finds himself a target of the city’s wealthy, several of whom are guilty of the most heinous of crimes but feel entitled to escape any accountability. Written in the slang of the times, it reads with the immediacy and plausibility of a memoir. I loved this book because it treats such serious issues: income inequality and the lack of accountability for the rich and powerful—even when engaged in child prostitution and murder.

By Lyndsay Faye ,

Why should I read it?

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

What is this book about?

'Spectacular' Gillian Flynn. GODS OF GOTHAM is the fantastic first novel in Lyndsay Faye's Edgar Award-nominated series, for fans of Andrew Taylor and Antonia Hodgson's The Devil in the Marshalsea.

August 1845 in New York; enter the dark, unforgiving city underworld of the legendary Five Points...

After a fire decimates a swathe of lower Manhattan, and following years of passionate political dispute, New York City at long last forms an official Police Department. That same summer, the great potato famine hits Ireland. These events will change the city of New York for ever.

Timothy Wilde hadn't wanted to be a…


Book cover of New York's Finest

Craig McGuire Author Of Empire City Under Siege

From my list on appreciating different aspects of law enforcement.

Why am I passionate about this?

I selected the five works below, as each highlights different themes explored in my latest work. Taken together, this collection delivers a well-rounded, multi-dimensional view into a world that is often simplified in popular culture but far more complex, courageous, and human than most people realize. These books illuminate different facets of law enforcement—from the raw courage required in moments of crisis to the resourcefulness demanded in prolonged investigations. 

Above all, these works stand out for their honesty and realism, revealing both the triumphs and the tolls of a career committed to protecting others. Together, they provide readers with a deeper appreciation of the people, the pressures, and the evolving landscape of modern law enforcement.

Craig's book list on appreciating different aspects of law enforcement

Craig McGuire Why Craig loves this book

Michael Daly provides a very human take on the rigors and realities members of enforcement face in America’s largest city.

Daly, an award-winning journalist, masterfully knits together such riveting accounts of officers who served during New York’s most turbulent eras, much as I do in my book, pulling together a well-rounded effort from these dramatic settings to the human accounts of those who served. 

Daly’s characters are not one-dimensional, but real people navigating really impossible situations, facing physical and emotional risk. These narratives are rife with moral complexities, personal sacrifices, and harrowing twists and turns.

Daly is at his best presenting these stories with very real, empathetic prose. We feel for these characters and lament the missed family milestones, the physical pain, the emotional strife that is just so relentless. 

Yet Daly’s work is as engrossing as it is entertaining, providing poignant moments of humor, compassion, and bravery that smack…

By Michael Daly ,

Why should I read it?

1 author picked New York's Finest as one of their favorite books, and they share why you should read it.

What is this book about?

NEW YORK'S FINEST is the story of a city's transformation through the tireless efforts of Detective Steven McDonald, Nurse Justiniano, Jack Maple, and a host of hero cops-including the great niece of Jazz Age great Josephine Baker-the finest of The Finest.

The son and grandson of cops, Officer McDonald was shot and paralyzed from the neck down while on patrol in 1986. The doctors said that if he did survive, he would be better off dead. It was then he came under the care of one Nurse Nina Justiniano. Where the teenage gunman was produced by the worst of Harlem's…


If you love Think of a Number...

Ad

Book cover of The Duke's Christmas Redemption

The Duke's Christmas Redemption by Arietta Richmond,

A Duke who has rejected love, a Lady who dreams of a love match, an arranged marriage, a house full of secrets, a most unneighborly neighbor, a plot to destroy reputations, an unexpected love that redeems it all.

Lady Charlotte Wyndham, given in an arranged marriage to a man she…

Book cover of The Crime Fighter: How You Can Make Your Community Crime Free

Wes Denham

From my list on crime and criminal justice.

Why am I passionate about this?

I write books and newspaper columns on criminal justice and criminal defense. As an investigator for criminal defense attorneys, I spent years in the jails and prisons of Florida and Georgia interviewing felony defendants—murderers, child molesters, con men, robbers, drug dealers, whores, wife beaters, and shooters for hire. Some were insane; most weren’t. My interest is personal as well as professional. I live in Police Zone 1, the most dangerous area of my city. It’s a place where kids and church ladies can distinguish a Chinese AK from a Glock nine by sound alone. It’s a place where I carry an extra-large can of pepper spray and a combat knife, just to walk the dog!

Wes' book list on crime and criminal justice

Wes Denham Why Wes loves this book

Maple was the architect of the tactics that allowed the NYPD to lower homicides by 60% in two miraculous years from 1990–1992. This book is easy to read and often funny, which doesn’t obscure Maple’s tactical genius. The story of how a lowly transit cop who fancied suits, vests, bow ties, and homburgs became Assistant Commissioner of Police in New York is astonishing. You can only regret that Maple was never able to use his fake “Gun-Sniffing Dog” ploy to flush suspects with concealed firearms. It was sheer genius.

By Jack Maple , Chris Mitchell ,

Why should I read it?

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

What is this book about?

Former NYPD Deputy Commissioner Jack Maple was a man in a bow tie and homburg--he was also on a mission to revolutionize the way crime is fought: how cops go after crooks, and how they prevent crime in the first place. And he succeeded.

But Maple is not satisfied. In The Crime Fighter, he shows how crime can be attacked all across America. Laced with fascinating, incredible, and often very funny tales of Maple's adventures as a cop, the book is as entertaining as it is informative. Anyone interested in how criminals think and act, and how the police should…


Book cover of Mallory's Oracle

Christa Loughlin Author Of The Pallbearer

From my list on mystery thrillers that keep you glued to the pages.

Why am I passionate about this?

I have always had a passion for anything crime fiction—books, movies, podcasts, or TV shows. It didn’t matter. I loved it all. It was probably because I grew up in a family with six police officers that seldom talked about anything unrelated to policing. I was like a sponge and picked up some terminology and learned about different police procedures they would discuss. There was rarely a family gathering that didn’t have some type of story or anecdote being shared by each of them and I always found myself being drawn right in. For those reasons, I fell in love with trying to figure out the who’s, how’s and why’s of any story. 

Christa's book list on mystery thrillers that keep you glued to the pages

Christa Loughlin Why Christa loves this book

Kathy Mallory is a character unlike any other. Kathy was a child of the streets who had the good fortune of being adopted into the loving home of a police officer who saw her brilliance and resourcefulness even at a young age. Years later, Kathy has become an NYPD officer who brings justice to victims through her own sense of right and wrong. She is a street-hardened, lone wolf who doesn’t stop until she gets what she wants. I love the complexity of this tough-as-nails female officer who bends all the rules in her pursuit of justice. This book is so well written I immediately read every book I could find by this author.

By Carol O'Connell ,

Why should I read it?

2 authors picked Mallory's Oracle as one of their favorite books, and they share why you should read it.

What is this book about?

Jonathan Kellerman says Mallory's Oracle is "a joy." Nelson DeMille and other advance readers have called it "truly amazing, " "a classic" with "immense appeal." It is all of that, and more: a stunning debut novel about a web of unsolved murders in New York's Gramercy Park and the singular woman who makes them her obsession.

At its center is Kathleen Mallory, an extraordinary wild child turned New York City policewoman. Adopted off the streets as a little girl by a police inspector and his wife, she is still not altogether civilized now that she is a sergeant in the…


Book cover of Make Room! Make Room!: The Classic Novel of an Overpopulated Future

Prentis Rollins Author Of The Furnace: A Graphic Novel

From my list on dystopian sci-fi that are dear to my heart.

Why am I passionate about this?

I’ve been hooked on science fiction since I saw Westworld in its first run in 1973, at age 7 (it’s the first movie I saw in a theatre). I started drawing my own sci-fi comics at age 11, when the first Star Wars came out, and kept it up through adolescence. Eventually, my love of sci-fi led me to a passion for philosophy, which I majored in in college. And the philosophy I learned has since informed my later choices in sci-fi reading, and even more my sci-fi writing and illustration. The books I talk about below are very dear to my heart—I’m sure you won’t regret checking them out.

Prentis' book list on dystopian sci-fi that are dear to my heart

Prentis Rollins Why Prentis loves this book

Written in 1966, Make Room! Make Room! was the basis for the 1973 film Soylent Green—it’s one of those great books that (like The Exorcist) was totally overshadowed by its equally great film version. It’s set in 1999, in a grossly overpopulated and polluted world in which people are scrambling for ever-diminishing resources. It mainly follows the life of NYC detective Andy Rusch and his elderly roommate Sol—who has finagled a bicycle-powered generator to run the TV and refrigerator in their small apartment. Rusch falls in love with Shirl, the young mistress of a rich man whose murder Rusch is investigating, but Shirl dumps him when she realizes she has better options with the rich rather than the poor.

Make Room! Make Room! is a cautionary tale about unchecked population, and it’s driven not so much by plot as by what Harry Harrison had on his mind: pollution,…

By Harry Harrison ,

Why should I read it?

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

What is this book about?

A gangster is murdered during a blistering Manhattan heat wave. City cop Andy Rusch is under pressure solve the crime and captivated by the victim's beautiful girlfriend. But it is difficult to catch a killer, let alone get the girl, in crazy streets crammed full of people. The planet's population has exploded. The 35 million inhabitants of New York City run their TVs off pedal power, riot for water, loot and trample for lentil 'steaks' and are controlled by sinister barbed wire dropped from the sky.

Written in 1966 and set in 1999, Make Room! Make Room! is a witty…


If you love John Verdon...

Ad

Book cover of Old Man Country

Old Man Country by Thomas R. Cole,

This book follows the journey of a writer in search of wisdom as he narrates encounters with 12 distinguished American men over 80, including Paul Volcker, the former head of the Federal Reserve, and Denton Cooley, the world’s most famous heart surgeon.

In these and other intimate conversations, the book…

Book cover of Cotton Comes to Harlem

Jake Lamar Author Of Viper's Dream

From my list on social thrillers about money, race, and power.

Why am I passionate about this?

I was born in the Bronx, New York. I arrived in Paris, France at the age of 32. Thought I would stay for one year. That was thirty years ago. I'm still in Paris, and the author of a memoir, a play, and seven novels. Many of my novels fit the term "social thriller," popularized by Jordan Peele to define his ground-smashing classic film Get Out. Peele identified a genre that has been with us, particularly when it comes to crime fiction, for a long time. I've always been fascinated by dark, suspenseful stories that explore the nature of greed, of racism, of political power. And how the three are so often wrapped around each other.

Jake's book list on social thrillers about money, race, and power

Jake Lamar Why Jake loves this book

Only when I arrived in Paris did I discover the works of this major African American writer.

Back then, Himes—still under-recognized in the USA—was a long-time household name in France. Himes not only brought the American crime novel to the Black part of town, he did it with a satiric bite that is his distinguishing feature.

The Black police detectives Grave Digger Jones and Coffin Ed Johnson are at the center of the nine novels in Himes's Harlem Cycle, an epic achievement in crime fiction.

Himes's Harlem is a violent phantasmagoria where Digger and Edin order to protect the poor, ordinary working folk of the communityare forced to be the baddest of the bad.

Cotton Comes to Harlem is my favorite work in the collection. Published in 1965, it skewers both Black militants and white racists with wicked glee.

By Chester Himes ,

Why should I read it?

1 author picked Cotton Comes to Harlem as one of their favorite books, and they share why you should read it.

What is this book about?

From “the best writer of mayhem yarns since Raymond Chandler” (San Francisco Chronicle) comes a hard-hitting, entertaining entry in the trailblazing Harlem Detectives series about two NYPD detectives who must piece together the clues of the scam of a lifetime. 

Flim-flam man Deke O’Hara is no sooner out of Atlanta’s state penitentiary than he’s back on the streets working a big scam. As sponsor of the Back-to-Africa movement, he’s counting on a big Harlem rally to produce a massive collection—for his own private charity. But the take is hijacked by white gunmen and hidden in a bale of cotton that…


Book cover of Coma
Book cover of Towards Zero
Book cover of The Spy Coast: A Thriller

Share your top 3 reads of 2025!

And get a beautiful page showing off your 3 favorite reads.

1,211

readers submitted
so far, will you?

5 book lists we think you will like!

Interested in New York State, police, and serial killers?

New York State 605 books
Police 269 books
Serial Killers 332 books