Riveting New Mystery and Thriller Books for March 2025

Finlay Donovan hasn’t always gotten along with her elderly neighbor. As the local busybody and president of the neighborhood watch, Mrs. Haggerty is always in everyone’s business.

But when a dead body is found in her backyard and her house becomes an active crime scene, Mrs. Haggerty has nowhere to go. Nowhere except across the street to Finley’s house.

Finley and her nanny Vero have zero interest in giving up their bedroom to Mrs. Haggerty or getting involved in another murder.

Have they dealt with enough murder? Or will Finlay end up digging her own grave?

What’s the harm in a little white lie? That’s what compulsive liar Sloane Caraway believes. They make life a little more interesting. It helps her get a job as a nanny, after all.

At first, the job is a dream. But Sloane quickly realizes that perhaps the perfect couple living in the beautiful brownstone might now be as perfect as they appear. In fact, they may be liars too.

Now Sloane is learning that lies add up. And sometimes the truth can be the most dangerous thing of all.

In Apartment 18A of Central West Park’s Beresford Building, a woman reported a break-in and the murder of her husband.

NYPD Detective Declan Shaw is called in after she fired a round at first responders and then refused to let anyone in except for Detective Shaw.

When she answers the door, she’s covered in blood and appears to be in shock. The first thing Shaw sees is the dead body.

The second is the wall-to-ceiling lined with hardcover books featuring the woman’s face. Denise Morrow is a crime writer.

Now, Detective Shaw has to figure out if she’s also a murderer.

In 2000, Sami Kierce woke up while backpacking with friends covered in blood with a knife in his hand. A dead woman was next to him.

Twenty-five years later, he’s a disgraced detective teaching night classes. As he’s walking, he sees a familiar face in the crowd. The woman he thought was dead. And when they lock eyes—she runs.

Finding her isn’t an option. That moment has haunted him for twenty-five years.

But sometimes, a secret should stay buried.

Billie, Helen, Mary Alice, and Natalie can only take so much rest and relaxation. After a year of laying low, the elderly assassins are starting to get that itch.

They get a call from the head of the assassin organization known as the Museum. Someone is killing Museum agents. And the four women are next.

Together, they set out to hunt down this mysterious killer and the inside mole that gave them their names.

But this will be the greatest challenge of their careers. It will take all their experience—and quite a bit of luck—to come out of this one alive.

When freelance editor Susan Ryeland is hired to take a look at a manuscript by the grandson of famed author Marion Crace, she’s hesitant. Marion died fifteen years ago and her grandson is largely unknown.

But she’s relieved when the opening pages are actually quite good. The story revolves around a woman who is poisoned by her own family and bears a startling similarity to events in Marion’s death.

Susan realizes that the clues to a real murder lie hidden in this manuscript. But when Eliot dies in a hit-and-run, Susan is shockingly the prime suspect.

And if she can’t solve the murder buried in fiction, her death may be next.

Despite being a scholarship kid with killer grades and big dreams, Evie Gordan is drowning in debt after college. She makes ends meet by tutoring the super-rich kids of LA for the SATs.

Showing up to her weekly session at the Victors’ home in Beverly Hills should have been predictable. But when she arrives, the bored teenager is nowhere to be found and his parents' bloody remains are splattered in the garden.

Even worse, a woman is crying for help in a closet. Evie barely gets her free before they’re spotted and mistaken for the culprits. Quickly they shift from witnesses to suspects to fugitives.

As the case takes over the nation with shocking developments. Evie’s photo is plastered on every cover as the gifted kid turned killer. 

On the run with a woman who refuses to speak, Evie knows the only way to clear her name is to solve the murder—even if it means giving up the attention she so desperately wants to keep.

Archer is a renowned chef and a single dad. He never dreamed he’d move to a small town. Or one day run a pancake restaurant. But Dream Harbor needs a chef and his daughter Olive needs a community.

Mayor Kelly suggests Archer hire Iris as his nanny. She’s not exactly nanny material, but she needs the money, so she agrees. The two seem to have nothing in common other than Olive.

Who may or may not suddenly be trying to play match-maker by showing them how similar Archer and Iris might truly be.

Paul Delamare is on a luxury cruise aboard the superyacht Maldemer with his friend when her priceless necklace goes missing. The thief has to be on the ship, so Paul shifts into overdrive to find the culprit.

But then the ship begins to veer off course and another passenger is found dead. As they head towards a storm and it becomes obvious a killer is hiding among the passengers, Paul has to sift through everyone’s lies and secrets.

And if he can’t, he might be the next one to sleep with the fishes.

Maggie’s mother died when she was forty-three. Women flocked to her father’s side, and the one he chose nearly destroyed their lives.

When Maggie is diagnosed with the same disease and told she has three months left to live, she’s determined to ensure that history does not repeat itself.

She plans on spending every moment searching for the right woman to take her place.

Even if she has to kill to make that happen.