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Read about this year’s September 2026 thriller new book releases!
We’re getting 11 incredible new thriller book releases this coming month, and with it comes a few unbelievably anticipated title releases that we’ve been waiting months for!
A huge highlight this month is Murder at the Grand Alpine Hotel by Lucy Foley & Agatha Christie, and I’ve been counting down the weeks since this book was announced earlier this year. Thriller lovers rejoice, we have a busy month ahead!
September 2026 Thriller new releases
Buried in the Woods Below by Daniel G. Miller
Release date: September 1 2026
SOME MEMORIES WERE NEVER MEANT TO STAY BURIED.
When Charlotte Hoffman’s picture-perfect career implodes overnight, she retreats to the one place she swore she’d never return: Big Island, Minnesota. Home to her childhood best friend, Olivia Parker, and the place where her life first fell apart.
Eighteen years ago, tragedy struck, and Charlotte’s blamed herself for that bloody night ever since. Now she’s back, staying with the Parkers in their isolated lakeside home, surrounded by dark woods shrouded in mist and the decaying remains of a long-abandoned amusement park.
But something isn’t right.
Before You Were Anne by Emiko Jean
Release date: September 1 2026
A murdered woman. A missing daughter. A truth buried across two continents.
Married, pregnant, and thriving in her career, Detective Chelsey Calhoun’s life finally feels whole, until an explosive new case shatters everything. A mother is dead. Her sixteen-year-old daughter, Naomi, has disappeared. And the search will awaken questions about Chelsey’s own origins—questions she’s spent a lifetime afraid to ask.
Mother Daughter Sister Stranger by Hank Phillippi Ryan
Release date: September 1 2026
What if your own family history turns out to be a terrifying lie? Every family has its story, and this one’s deadly. Two sisters. One secret. And a race against time to find the explosive truth in this twisty and captivating thriller by USA Today bestselling author Hank Phillippi Ryan.
The sole survivors of the fiery plane crash that killed their parents, Eliza Ramsey and her sister Bea share an unbreakable bond. But now, on the eleventh anniversary of the tragedy, Bea fails to retrieve her pre-teen daughter from a sleepover at Eliza’s.
Eliza knows her sister would never leave her precious Piper behind, and fears the worst. But did Bea plan her own disappearance?
The Oxford Guide to Scandal and Lies by Kate Westbury
Release date: September 1 2026
Set against the backdrop of post-WWII Oxford University, The Oxford Guide to Scandal and Lies is the irresistible debut from Kate Westbury that seamlessly layers mystery, romance, and a dash of academia to introduce the Crown’s newest undercover operatives.
Oxford, England, 1951 – The Honorable Ginevra Bishop likes red lipstick, clever retorts, and earning top marks in her tutorials. She’s following her mother’s footsteps by studying at Oxford, eager to prove she’s more than a debutante.
Sidney Braithwaite likes brooding, Latin, and ignoring his nightmares. He’s determined to forge a new life for himself at Oxford, far from his childhood mining village and free from memories of the war.
Little Red Death by Alexandra Benedict
Release date: September 8 2026
This is once upon a time, like you’ve never read it before
For twenty-five years, DI Lyla Rondell has lived with one unsolved case: her best friend’s disappearance. The only clue―a poisoned apple―earned it the nickname “Snow White.” It’s haunted her ever since.
Now, when a woman is taken in a crime that has striking similarities to the story of Cinderella, Lyla is charged with investigating. And as more murders take place, each one based on a different classic fairytale, Lyla is determined to finally uncover the truth.
The Dating Game by Ally Zetterberg
Release date: September 8 2026
The friendship game. The dating game. The end game. For board game designer Tilda Smith they’re all necessary steps on the path to finding happiness. And by structuring her life according to a set of rules, just like in the games that she loves to create at her job, Tilda can finally win.
The only problem? The other players don’t know they’re playing by Tilda’s rules. She’s fair. Very fair, in fact. But then one night her date pushes her too far and she gets just a bit carried away. Any player who disappoints must face consequences, right? But as Tilda finds herself transporting a body in a laundry bag, she has to question how to make the punishment fit the crime.
We Already Dug the Grave by Emma C. Wells
Release date: September 8 2026
Milly can’t divine the future anymore, and maybe that’s a good thing. Lately, her life has been bleak enough, she doesn’t need the now-silent tea leaves to tell her. Meanwhile, her estranged younger sister thrives miles away in a shiny new life with a shiny new marriage. Milly doesn’t blame Francis for wanting nothing to do with her. Not after what happened in that Tennessee meadow a decade before.
But when Francis shows up on Milly’s doorstep with a black eye and a plea for help – Milly can’t say no. Especially when the tea leaves are finally crystal clear: if the sisters don’t kill Francis’s husband, he’ll kill her.
Ten Perfect Guests by Jonathan Santlofer
Release date: September 8 2026
Ten perfect guests.
One secluded island.
No way out.
When celebrated and enigmatic artist Victor D’Arcangelo dies unexpectedly, his nearest and dearest receive an irresistible summons: attend his weekend memorial―or forfeit their inheritance.
But once they arrive, the paradise begins to feel more like a prison. Someone knows their secrets. Someone wants revenge.
As the weekend spirals into chaos, one question hangs in the sultry, tropical air: Who, if anyone, will survive?
This time, the masterpiece may be murder.
We Chase Shadows by Richard Osman
Release date: September 15 2026
Back together.
Back on the case.
And back to solving murders . . .
At sunrise, high in the Italian hills, a body is found on the steps of a beautiful private villa. On the body is a threatening note, signed by a mystery man.
Back at We Solve Murders HQ, Amy, Rosie, and Steve leap at the chance to take on their first proper case. So what if their new client seems to have his own reasons for avoiding the police? All they need to do is uncover who left the note, and then find them. Simple.
Murder at the Grand Alpine Hotel by Lucy Foley & Agatha Christie
Release date: September 22 2026
High in the Swiss Alps, accessible only by a single, winding railway, stands the luxurious Grand Alpine Hotel. With glorious mountain views and exclusive access to powdery slopes, it draws guests from far and wide.
The notorious actress.
The high-flying politician.
The society wife.
The reckless friend.
The shrewd doctor.
But not everyone is here for a winter holiday.
Call Off the Dark by Hallie Shepherd
Release date: September 22 2026
Helen and Tyler were soulmates, a couple with a storybook beginning and an enduring bond, until Tyler’s sudden murder shattered her world. Numb with grief and desperate for escape, Helen impulsively marries Wade—a near stranger—and goes off-grid with him to a farmhouse in rural Washington.
Trading her polished Seattle existence for a tradwife life of canning vegetables and sewing during the day, she battles insomnia, PTSD, and haunting memories of Tyler at night…until Wade’s brother Isaac shows up. The problem: Isaac died years ago in a farm accident, and Wade insists they’re now in danger.
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