Here are 100 books that The Troubled Deep fans have personally recommended if you like The Troubled Deep. Book DNA is a community of 13,000+ authors and super readers sharing their favorite books with the world.

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Book cover of The Keeper of Lost Causes: The First Department Q Novel

Jo Jakeman Author Of The Vanishing Act

From my list on books with the allure of a cold case.

Why am I passionate about this?

It’s hard to pinpoint where my interest in cold cases began, but I remember reading about the Isdal Woman and being intrigued. She was found in Norway in 1970, badly burned, with the labels cut off her clothes. Police discovered fake identities and disguises in suitcases left at the railway station, but, to this day, have no idea who she was. I’m a member of several Facebook groups where people investigate cold cases, and I’m always amazed at how these clues can be put together so many years later. Or, in some cases, how some people go unnamed, or crimes unsolved despite all the resources at our fingertips.

Jo's book list on books with the allure of a cold case

Jo Jakeman Why Jo loves this book

I have to confess that I discovered these books after watching the TV series Department Q. As soon as I saw "Based on the books by Jussi Adler-Olsen," I knew I had to read them.

The books differ significantly from the TV show. For one thing, they are set in Copenhagen, not Scotland. But the dark humour and clever plots are still the same. In this, the first of the series, Carl Morck—who is recovering from an incident where two of his colleagues were shot—is made the head of Department Q, looking into cold cases.

His first case is the disappearance of a politician who we know is still alive, but no one—apart from Morck—is looking for him anymore, assuming he fell off a ferry.

By Jussi Adler-Olsen ,

Why should I read it?

5 authors picked The Keeper of Lost Causes as one of their favorite books, and they share why you should read it.

What is this book about?

Get to know the detective in charge of Copenhagen's coldest cases in the first electrifying Department Q mystery from New York Times bestselling author Jussi Adler-Olsen.

Carl Morck used to be one of Denmark's best homicide detectives. Then a hail of bullets destroyed the lives of two fellow cops, and Carl-who didn't draw his weapon-blames himself. So a promotion is the last thing he expects. But Department Q is a department of one, and Carl's got only a stack of cold cases for company. His colleagues snicker, but Carl may have the last laugh, because one file keeps nagging at…


If you love The Troubled Deep...

Book cover of These Blue Mountains

These Blue Mountains by Sarah Loudin Thomas,

A moving story of love, betrayal, and the enduring power of hope in the face of darkness.

German pianist Hedda Schlagel's world collapsed when her fiancé, Fritz, vanished after being sent to an enemy alien camp in the United States during the Great War. Fifteen years later, in 1932, Hedda…

Book cover of Before She Disappeared

Jo Jakeman Author Of The Vanishing Act

From my list on books with the allure of a cold case.

Why am I passionate about this?

It’s hard to pinpoint where my interest in cold cases began, but I remember reading about the Isdal Woman and being intrigued. She was found in Norway in 1970, badly burned, with the labels cut off her clothes. Police discovered fake identities and disguises in suitcases left at the railway station, but, to this day, have no idea who she was. I’m a member of several Facebook groups where people investigate cold cases, and I’m always amazed at how these clues can be put together so many years later. Or, in some cases, how some people go unnamed, or crimes unsolved despite all the resources at our fingertips.

Jo's book list on books with the allure of a cold case

Jo Jakeman Why Jo loves this book

A small town bursting with secrets? A loner protagonist who is smart and funny, with a lot to prove? Where do I sign up?

Frankie Elkin is on a one-woman mission to find missing people that everyone else has given up on. She goes to Boston to look for a missing teenager but encounters a fair amount of resistance when she starts asking questions.

This book has a lot of heart and is one of those that demands to be read in one sitting.

Book cover of Listen for the Lie

Nicola Sanders Author Of Don't Believe Her

From my list on gaslighting by the people you love most.

Why am I passionate about this?

I write psychological thrillers, and I find stories where the main character thinks they’re going crazy, particularly gripping, especially when it’s caused by (supposed) loved ones. I suspect it’s because these stories share an element of "this could happen to me." I’ve only written three books, but I’d say all of them have an element of gaslighting, probably because I sit down and think things like, What would it feel like if your best friend came back after many years, and you’re the only one who can tell it’s not her? It’s a deliciously creepy way to pass the time. 

Nicola's book list on gaslighting by the people you love most

Nicola Sanders Why Nicola loves this book

Lucy's best friend Savannah was murdered, and Lucy is suspected of having killed her. But Lucy can't remember anything about that night. Convenient? Plenty of people think so, including those closest to her. Is Lucy doing the gaslighting?

This plot is masterfully constructed, and I can’t say much more without spoilers. I loved it, and the gaslighting is out of this world.

By Amy Tintera ,

Why should I read it?

6 authors picked Listen for the Lie as one of their favorite books, and they share why you should read it.

What is this book about?

**RICHARD & JUDY BOOK CLUB PICK**
**INSTANT NEW YORK TIMES BESTSELLER**
**THE SUNDAY TIMES 'PICK OF THE MONTH'**
**PRIMA 'BOOK OF THE YEAR'**
**WOMAN & HOME 'BOOK OF THE YEAR'**
**WOMAN & HOME 'BOOK OF THE MONTH'**
**TOP TEN KINDLE BESTSELLER**

'Edgy, thrilling, twisty - I loved it!' - LIANE MORIARTY
'A world-class whodunit' - STEPHEN KING
'Dark comedy and darker thrills' - ALEX MICHAELIDES
'Smart, surprising and very funny - wickedly entertaining' - SHARI LAPENA

Am I a murderer? You tell me . . .

Lucy Chase can't remember anything about the night her best friend was murdered.
Lucky…


If you love Rob Parker...

Book cover of The Everlasting Life of Charlie Wall

The Everlasting Life of Charlie Wall by Paul Wilborn,

It’s 1985, and Ronald Armstrong, known in the magic mushroom trade as “Trip,” takes a “sober” job as a driver for a retired Tampa mobster. His boss, Charlie Wall, has survived four attempts on his life, the last one in 1955. When Charlie falls into depression, Trip rebuilds his boss’…

Book cover of The Summer Guests

Jo Jakeman Author Of The Vanishing Act

From my list on books with the allure of a cold case.

Why am I passionate about this?

It’s hard to pinpoint where my interest in cold cases began, but I remember reading about the Isdal Woman and being intrigued. She was found in Norway in 1970, badly burned, with the labels cut off her clothes. Police discovered fake identities and disguises in suitcases left at the railway station, but, to this day, have no idea who she was. I’m a member of several Facebook groups where people investigate cold cases, and I’m always amazed at how these clues can be put together so many years later. Or, in some cases, how some people go unnamed, or crimes unsolved despite all the resources at our fingertips.

Jo's book list on books with the allure of a cold case

Jo Jakeman Why Jo loves this book

I read this while recuperating from an operation, and it was the pick-me-up I needed.

What starts off as a current missing person’s case becomes an investigation into a cold case as it comes to light that the two cases could be linked. The sleuths in this case are retired spies, The Martini Club, and they are such a fun group of characters. It’s the second book of Tess Gerritsen’s to feature this cast of characters, and they have skills to outdo the local police chief, Jo—and occasionally get in her way.

By Tess Gerritsen ,

Why should I read it?

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

What is this book about?

INCLUDES A BONUS SHORT STORY BY LEE CHILD AND TESS GERRITSEN, STARRING JACK REACHER AND THE ENIGMATIC MAGGIE BIRD. . .

The Summer Guests is the exhilarating and gripping new thriller from Sunday Times bestselling author of The Spy Coast.

SPECIAL HARDBACK LIMITED EDITION - AVAILABLE WHILE STOCKS LAST

'I love this new series . . . The Summer Guests is a cracker of a mystery! I couldn't put it down.'
SHARI LAPENA

'What a ride - The Summer Guests hooked me from the first explosive chapter. . . Immersive, compelling, utterly addictive - a masterclass in storytelling.'
ANDREA MARA,…


Book cover of Truly Devious

Elisabeth Wathen Author Of Glorious Debris

From my list on loving character development as much as getting a new mystery every time.

Why am I passionate about this?

Mysteries are fun to write, but it’s never just the central mystery that interests me. I want the relationships, the people, sometimes even the place to fill my books with their own smaller puzzles and hidden truths. I have long believed that all novels are, in fact, mysteries: if you’re not wondering what will happen next, or where the truth lies, why bother? The suspense of wondering what a character will do next, or what past experience has led to an aspect of their personality, is at least as important as who committed the murder. I hope that my readers will feel the same.

Elisabeth's book list on loving character development as much as getting a new mystery every time

Elisabeth Wathen Why Elisabeth loves this book

Though marketed for a YA audience, this book easily crosses over to appeal to all readers, as long as they love a good mystery and some quality character growth.

Main character Stevie Bell loves true crime, and she makes it clear right from the start that she’s not interested in wasting her time with much else. Something of a misfit with a healthy dose of impostor’s syndrome, she’s got something to prove and plenty of stumbling blocks that get in the way. But she is fiercely devoted to finding answers, even to the point of recklessness.

Hints at future romance—never her priority, yet persistently unavoidable—along with her passion, intelligence, and disregard for the rules make her a heroine you can happily follow through several books.  

By Maureen Johnson ,

Why should I read it?

5 authors picked Truly Devious as one of their favorite books, and they share why you should read it. This book is for kids age 14, 15, 16, and 17.

What is this book about?

From New York Times bestselling author Maureen Johnson comes the start of a new series about a sharp and funny young detective named Stevie Bell who begins school at an elite, yet peculiar, boarding school and finds herself entangled in a murder mystery; perfect for fans of 13 LITTLE BLUE ENVELOPES.

New York Times bestselling author Maureen Johnson weaves a delicate tale of murder and mystery in the first book of a striking new series, perfect for fans of Agatha Christie and E. Lockhart.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors,…


Book cover of The Master

Livi Michael Author Of Elizabeth and Ruth

From my list on Victorian writers and the Victorian underworld.

Why am I passionate about this?

I have been fascinated by historical fiction since childhood, when I used to read historical stories for children by such writers as Rosemary Sutcliffe and Henry Treece, moving on to Dickens and Austen in my early teens. Many of the great books about girls growing up were written in the Victorian and Edwardian periods by e.g. Louisa M Alcott, L M Montgomery, and Laura Ingalls Wilder. I devoured all these since they seemed to take me into a different world. I am a fiction writer rather than a historian since it is the great stories offered by history that spark my passion!

Livi's book list on Victorian writers and the Victorian underworld

Livi Michael Why Livi loves this book

Another novel with a great opening line, "Sometimes in the night he dreamed about the dead," The Master is a subtle and complex portrayal of the Victorian writer Henry James.

It begins at a moment in his career when, although lauded as a novelist, he has failed as a dramatist. He retreats from public life, buying a house in Rye, Sussex, where he lives alone, haunted by people from his past and preoccupied with the details of the Oscar Wilde case.

I loved the exploration of creativity and the consequences of dedicating yourself to the creative life, especially in terms of the uncomfortable relationship between artistic integrity and public response. This is a virtuoso depiction of social and psychological repression, the pain of unacknowledged sexuality, and the cost of art.

By Colm Toίbίn ,

Why should I read it?

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

What is this book about?

Nineteenth-century writer Henry James is heartbroken when his first play performs poorly in contrast to Oscar Wilde's "The Importance of Being Earnest" and struggles with subsequent doubts about his sexual identity.


If you love The Troubled Deep...

Book cover of Glimmer of the Other

Glimmer of the Other by Heather G. Harris,

Delve into this internationally best-selling series, now complete! A fast paced laugh-out-loud mix of Urban Fantasy and Mystery.

I can tell when you’re lying. Every. Single. Time. I’m Jinx, a PI hired to find a missing university student, I hope to find her propped up at a bar–yet my gut…

Book cover of A Drop of Patience

Jeffery Renard Allen Author Of Song of the Shank

From my list on blindness.

Why am I passionate about this?

As a creative writer, I think it is important for me to put myself into the bodies and minds of people, unlike myself, and imagine how they move about in the world. In my book, I write about Blind Tom, a person from the nineteenth century who has little in common with me. However, there are some affinities and connections between Tom and myself. Although I am not blind, I suffer from a disability. Also, I like writing about music and musicians. I chose to write about Tom in part because he was a great musician who has never received the proper credit he deserves from musicologists and historians.

Jeffery's book list on blindness

Jeffery Renard Allen Why Jeffery loves this book

I like this novel because it is one of the few that I know of that features a blind musician like the protagonist of my novel. Also, I feel that the author offers fine descriptions of jazz piano and jazz music. This book was published in 1965, a turbulent time in America. The author depicts being black as a disability like blindness. I think William Melvin Kelley was an excellent novelist who deserves greater recognition.

By William Melvin Kelley ,

Why should I read it?

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

What is this book about?

At the age of five, a blind African-American boy is handed over to a brutal state home. Here Ludlow Washington will suffer for eleven years, until his prodigious musical talent provides him an unlikely ticket back into the world.

The property of a band, playing for down-and-outs in a southern dive, Ludlow's pioneering flair will take him to New York and the very top of the jazz scene - where his personal demons will threaten to drag him back down to the bottom.

A Drop of Patience is the story of a gifted and damaged man entirely set apart -…


Book cover of Lady Eve's Last Con

Catriona Silvey Author Of Love and Other Paradoxes

From my list on sci-fi romcoms that combine ideas, jokes, and feels.

Why am I passionate about this?

I grew up on science fiction: I was obsessed with Star Trek as a child, and as I got older, my love for space, aliens, and time travel spilled over into my taste in books. The Hitchhiker’s Guide to the Galaxy showed me that science fiction could be funny, and The Time Traveler’s Wife showed me that it could be romantic. But why not both at once? As a lifelong passionate reader, and now an author of two novels and counting, I love seeking out books that cross, blend, and transcend genres, as well as writing my own.

Catriona's book list on sci-fi romcoms that combine ideas, jokes, and feels

Catriona Silvey Why Catriona loves this book

This book is like nothing I’ve ever read.

Fraimow combines a con-job storyline, a space diaspora setting, a 1920s aesthetic, and an unexpected sapphic romance, and somehow, it all works. I found myself totally immersed in the fragile glitz of New Monte, a kind of Monaco-in-space clinging to a satellite, where debutantes wear breathers as fashion accessories and extravagance masks the threat of scarcity.

And I fell in love with the characters: Ruthi, the cool, competent protagonist with a gift for wisecracks and a tender underside, and Sol, the chivalrous, sharp-suited, hoverbike-riding love interest, who develops from an intriguing antagonist into a fully-rounded human being who is Ruthi’s perfect match.

By Rebecca Fraimow ,

Why should I read it?

1 author picked Lady Eve's Last Con as one of their favorite books, and they share why you should read it.

What is this book about?

NAMED ONE OF THE BEST ROMANCE NOVELS OF 2024 BY THE NEW YORK TIMES

Ruth Johnson and her sister Jules have been small-time hustlers on the interstellar cruise lines for years. But then Jules fell in love with one of their targets, Esteban Mendez-Yuki, sole heir to the family insurance fortune. Esteban seemed to love her too, until she told him who she really was, at which point he fled without a word.

Now Ruth is set on revenge: disguised as provincial debutante Evelyn Ojukwu and set for the swanky satellite New Monte, she's going to make Esteban…


Book cover of Dragonlance Chronicles

Tutku Tuzlu Author Of Quest for the Godkiller

From my list on where the journey changes a character forever.

Why am I passionate about this?

Like many people of my generation, I first discovered fantasy worlds through morning cartoons. Then came comics, but The Lord of the Rings changed everything for me, followed by Dragonlance, Forgotten Realms, and many more. I was an introverted child, often bored with ordinary life, and these worlds gave me somewhere to escape. Most importantly, I loved journeys that transformed characters, because they gave me hope that people could change too. I created fantasy realms in my head for years, but it took reaching my 40s to finally start putting them on paper. Today, I write and publish my own stories, including Chronicles of Ankhara, through AltWorld Comics.

Tutku's book list on where the journey changes a character forever

Tutku Tuzlu Why Tutku loves this book

I read this trilogy after I finished The Lord of the Rings.

I was surprised, and I really enjoyed the action and fight scenes it brought to the genre. I had recently met with D&D at that time, and I could see the dice rolling while reading, which was satisfying. But the real surprise was Raistlin's morally grey character turning full dark mode.

I had seen the cliché of the villain turning good many times. But this was something else. It changed all my expectations from a book, movie, or comic. To this day, as an author, I’m still trying to shock myself with the same approach. Hopefully one day I can.

By Margaret Weis , Tracy Hickman ,

Why should I read it?

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

What is this book about?

Discover the magical world of Krynn - in the multi-million-copy-selling, first and best Dragonlance trilogy.


'Before there was Game of Thrones - there was Dragonlance' Vox.com

---

The old gods have fled. Darkness and war sweep the land. And dragons roar in fiery vengeance . . .

Legend says that long ago the dragon armies were defeated.?Now, an army of reptilian warriors led by fearless dragon riders?have returned to conquer the divided lands of Ansalon.

Meet Sturm the Solamnic knight,?Tanis Half-Elf, Flint the Dwarf, Tasslehoff Burrfoot the irrepressible Kender, Caramon the warrior and his twin brother,?Raistlin the red-robed mage.

With…


If you love Rob Parker...

Book cover of Need to Know: World War II and the Rise of American Intelligence

Need to Know by Nicholas Reynolds,

The authoritative but accessible history of the birth of modern American intelligence in World War II that treats not just one but all of the various disciplines: spies, codebreakers, saboteurs.

Told in a relatable style that focuses on actual people, it was a New Yorker "Best of 2022" selection and…

Book cover of What You Wish For

Joy Jarrett Author Of Curse of the Orkney Sea

From my list on islands as a setting.

Why am I passionate about this?

As a child, I received an electronic typewriter as a gift and immediately got to work on a story about a family living on an island. Even at ten, I recognized the power of islands, with their built-in problems of isolation and rich possibilities for metaphors. So it only made sense I’d one day publish a book set on one. If you’re like me and can’t resist books with island settings, you’ll love these book recommendations. Each island in this collection has its own personality that becomes a character of its own, and none of these books could exist in the same way without their unique settings. 

Joy's book list on islands as a setting

Joy Jarrett Why Joy loves this book

I’m a school librarian, so I couldn’t pass up a book about a librarian who works in an island school! This is set on Galveston Island, and the Texas culture there definitely brings its own flavor to the story.

The friendly community feel of the school and town really appealed to me and gave this book a cozy dimension despite its darker themes. A new principal arrives and immediately begins ruining the happy librarian’s life with new rules that she fights at every step—so naturally, the two begin to fall in love. I loved the animals in this book. I couldn’t stop smiling when I finished this one.

By Katherine Center ,

Why should I read it?

1 author picked What You Wish For as one of their favorite books, and they share why you should read it.

What is this book about?

Samantha Casey is a school librarian who loves her job, the kids, and her school family with passion and joy for living.
But she wasn't always that way.
Duncan Carpenter is the new school principal who lives by rules and regulations, guided by the knowledge that bad things can happen.
But he wasn't always that way.

And Sam knows it. Because she knew him before - at another school, in a different life. Back then, she loved him - but she was invisible. To him. To everyone. Even to herself. She escaped to a new school, a new job, a…


Book cover of The Keeper of Lost Causes: The First Department Q Novel
Book cover of Before She Disappeared
Book cover of Listen for the Lie

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