Many new books are hitting shelves in March 2025, and readers looking for exciting twists and turns should keep an eye out for the month's biggest mystery February's new mystery thriller books, March is cementing 2025 as a great year for the genre.

Seasoned thriller readers will recognize many of the authors releasing new novels, though there are exciting debuts to watch out for as well. Notably, thrillers promising twists that won't disappoint, too, so readers should prepare to be entertained and surprised.

10 Count My Lies By Sophie Stava

Release Date: March 4, 2025

Count My Lies cover featuring the title in white text and someone in a green sweater holding a hand behind their back

As its title suggests, Count My Lies by Sophie Stava promises to take readers on a twisty ride full of dubious characters in March. The book follows Sloane Caraway, who has a bad habit of lying about seemingly mundane things. One of her white lies lands her a gig working as a nanny for a wealthy family, but Sloane soon realizes she's also being deceived. A narrative that promises to unpack everything from the tiny lies told every day to the more disturbing secrets locked behind closed doors, Count My Lies sounds like a gripping addition to 2025's thriller lineup.

9 Wild Dark Shore By Charlotte McConaghy

Release Date: March 4, 2025

Wild Dark Shore cover featuring a brown background and orange title text

Once There Were Wolves author Charlotte McConaghy is back with Wild Dark Shore in March, and the author's latest already boasts a 4.49 average Goodreads rating. Its early reviews promise another gripping narrative, this time centered on a family serving as caretakers on a remote island near Antarctica. They're tasked with protecting the "world's largest seed bank," but when a woman washes up on the shore, everyone's motives are thrown into question. A thriller promising a unique premise, complex characters, and an atmospheric setting, Wild Dark Shore is a must-read this March.

8 You Killed Me First By John Marrs

Release Date: March 4, 2025

You Killed Me First cover featuring a house with a woman in the window and flames in front of it

John Marrs' You Killed Me First is sure to be a hit this March, as it opens with a woman tied up and trapped in the middle of a bonfire. The book takes readers backwards from there, telling the story of three different women 11 months earlier — and unraveling how their secrets bring them to this point. The tensions are bound to get higher as the narrative approaches the bonfire, ensuring the push and pull that thriller readers love. You Killed Me First has all the makings of a great thriller, and its early Goodreads reviews bode well for its debut.

7 Kills Well With Others By Deanna Raybourn

Release Date: March 4, 2025

Kills Well With Others cover featuring the title in white block text and a black background

Kills Well With Others, the sequel to Deanna Raybourn's Killers of a Certain Age, comes out in March — and judging by its positive Goodreads reviews, it may prove better than its 2022 predecessor. Kills Well With Others will send its group of senior assassins back into the field, tasking them with tracking down an Eastern European gangster and someone who has betrayed the Museum. This adventure promises to raise the stakes for the series' heroines, especially as the gangster in question sets her sights (and assassin) on them.

The Books In The Killers Of A Certain Age Series In Order

Release Year

Killers of a Certain Age

2022

Kills Well With Others

2025

6 First Wife's Shadow By Adele Parks

Release Date: March 18, 2025

First Wife's Shadow cover featuring the title text in yellow and the woods at night in the background

Adele Parks has a new book coming out in March 2025, and First Wife's Shadow is the ideal read for those who love domestic and psychological thrillers. First Wife's Shadow centers on the relationship between a wealthy woman named Emma and a widower named Matthew, the latter of whom might be using Emma for her money. As Emma's suspicions grow, she's forced to question everything about her relationships, and she'll no doubt take readers on that spiral with her. While First Wife's Shadow has a familiar premise, its positive Goodreads reviews suggest it's worth checking out.

5 Serial Killer Group By Saratoga Schaefer

Release Date: March 18, 2025

Serial Killer  Group cover featuring the title text in white, a red background, and a black rope image

Saratoga Schaefer's Serial Killer Group is being touted as a "biting queer feminist debut," and that's enough to sell us on this March 2025 release. Of course, its premise — which sees a woman posing as a serial killer to find the person who killed her younger sister — is also a selling point. Serial Killer Group sounds like it will offer just the right balance of snark and serious thrills, all while honoring the horror and thriller genres and those who love them.

4 Nobody's Fool By Harlan Coben

Release Date: March 25, 2025

Nobody's Fool cover featuring the title in yellow block text and a man standing in the street facing trees and houses

Harlan Coben is releasing a new book in March, and with the author's legacy behind it, Nobody's Fool could be the month's biggest addition to the genre. In fact, Nobody's Fool could prove more impressive than Fool Me Once, as it's already getting better Goodreads reviews. The story follows Sami Kierce as he has a run-in with a woman who died right next to him, 20 years after the fact. This forces him to dig up his past, and it will take readers on another wild and twisty adventure on par with Coben's prior books.

3 This Book Will Bury Me By Ashley Winstead

Release Date: March 25, 2025

This Book Will Bury Me cover featuring the title in thick white text and a dark blue background

The Last Housewife author Ashley Winstead is back with This Book Will Bury Me in March, and it will explore the true crime genre in what sounds like a gripping way. This Book Will Bury Me follows Jane Sharp, who becomes completely immersed in an online community of "armchair detectives" after her father's death. Jane and her new friends set out to solve a high-profile case about the death of three college students, but they soon realize they're walking into a trap. Poised to deliver thoughtful commentary and an intriguing mystery, this is a thriller to keep an eye on.

2 Saltwater By Katy Hays

Release Date: March 25, 2025

Saltwater Cover featuring a woman with a bare back and dark hair emerged in water and facing away from us

Katy Hays' Saltwater will take thriller readers on a trip to Italy this March, and more specifically, the island of Capri. That's where a woman named Sarah Lingate died in 1992, and although her death was deemed an accident, there are rumors the wealthy Lingate family was involved. They continue to visit annually, but on the 30th anniversary of the tragedy, they find Sarah's necklace waiting for them at their villa. This threat to expose any secrets is a fun way of opening the door to this mystery, and those looking for a twisty, atmospheric read should give it a shot.

1 Witness 8 By Steve Cavanagh

Release Date: March 25, 2025

Witness 8 cover featuring a blue brownstone and the title text in yellow

Steve Cavanagh is adding to his Eddie Flynn series this month, with Witness 8 ing its ranks on March 25. Witness 8 poses an intriguing question not many thrillers bother to ask: "What if the witness was more twisted than the killer?" It posits this through Ruby Johnson, who witnesses a murder but doesn't tell the police — apparently, because she has something else planned. This decision will no doubt collide with Eddie Flynn's investigation of an unusual murder, setting the stage for a thriller with lots of moving parts that will hook readers from page one.

Books In The Eddie Flynn Series In Order

Release Year

The Defense

2015

The Plea

2015

The Liar

2017

Th1rt3en

2018

Fifty-Fifty

2020

The Devil's Advocate

2021

The Accomplice

2022

Witness 8

2025