10 New Atmospheric Mystery and Thriller Books in October 2025 

Army combat surgeon Maggie McCabe is falling apart. After losing her medical license, she has no purpose, so when a former colleague offers her a lifeline, she takes it.

After all, she’s a skilled surgeon, and the client list doesn’t care about credentials, only the absolute discretion money can buy. Soon, she finds herself halfway across the globe performing surgery on one of the world’s most mysterious men.

But when he suddenly disappears under her care, she is forced on the run. Desperate, she has to figure out what is going on if she doesn’t want to be the next one to vanish.

Simon Latch is a struggling lawyer in rural Virginia. When an elderly widow walks into his office to create a new will, all Simon sees a lucrative new client.

Her husband left her a fortune that no one knows about, and she wants to keep it that way. But when she’s hospitalized after a car accident, Simon realizes that the widow has more secrets than her wealth.

And then he ends up on trial for a murder he didn’t commit. With too much circumstantial evidence and a looming trial, it becomes obvious that the only way to prove his innocence is to find the actual killer.

The last thing Casey expects to see in the middle of a hurricane is a young girl outside of her kitchen window covered in blood. She’s alone, and she refuses to let go of a knife.

The cabin wasn’t built to withstand that kind of weather, but the danger might actually be the girl inside. But as Casey tries to untangle the truth of who this girl is and what she may have done, it’s obvious this girl isn’t willing to give up her secrets.

And if she gets too close to the truth, Casey just might find out exactly how far this girl will go to keep them.

Charlie Boardman is minding his own business while walking his Staffy, Ruby, when the pair find a dead body in the woods. The discovery shakes the small coastal town, especially when it’s the local pub owner who died.

Charlie can’t help but try to figure out who would do such a thing. Idle speculation and gossip quickly escalate to death threats trying to get Charlie to stop investigating.

But when a second body shows up on the beach, it’s clear that Charlie needs to find the killer fast, before he ends up next.

The Clock House, named for the priceless timepieces it houses, might also be haunted. The rumor that the spirit of a dead girl resides there prompts a team of ghosthunters to investigate.

But they’ve barely been at the mansion before one of them is murdered. Is it a ghost? Or is the group locked inside with a killer?

As the team is picked off one by one and the bodies pile up, their only hope is that the brilliant detective Shimada Kiyoshi cracks the mystery of the Clock House before they’re all dead.

Former government operative Martin Maxwell is taking some much-needed R&R after a hip replacement at the Twilight Lodge. It’s an ideal place to recover until a popular resident dies.

Martin immediately suspects foul play. Especially because it’s the third death in two weeks. With a walking stick and a notebook, Martin begins investigating.

But no one believes his suspicions. It’s a nursing home, and elderly people die. Can he outwit a killer before another resident dies?

After Juno lost her husband three years ago, she finds that she is finally ready to date. She signs up for a dating app.

But when the apps founder dies, followed by an investor, Juno knows her love life has to wait. Joining back with Phoebe, Felix, and Mil, the Village Detectives are once again on the case.

Instead of getting under the covers with a new beau, Juno has to go undercover to find a killer.

Twenty-five years ago, two rivaling teenage detective duos became superstars of Edgar Mills, Massachusetts. Each pair solved cases, landing them on the covers of magazines and appearing on talk shows.

Until a deadly mistake led to the death of two people close to the teens. The killer was caught, but none of the teens were ever the same. When a new murder occurs in the town that matches those murders, the killer offers to help from his jail cell.

But there’s a catch. He’ll only talk to the teen detectives who caught him.

Anthony Wistern lives the picture-perfect life. He has a gorgeous wife, beautiful children, and more money than he knows what to do with. When his wife throws him the perfect birthday party, getting impaled on a party decoration was not part of the itinerary.

Unfortunately for Anthony, money is worthless when you’re dead. Convinced someone in his family killed him to finally gain access to his fortune, he watches them pretend to grieve as he tries to piece together his own murder from the other side.

But when everyone has a motive, figuring out who did it is harder than it appears. And Anthony can’t move on until he remembers exactly how he died.

When Frank Szatowski’s daughter calls him for the first time in three years, he’s shocked. He never thought she’d talk to him again, let alone invite him to her wedding.

The wedding is held on a secluded, private estate. It turns out, his daughter is marrying an extremely wealthy man.

Determined to reconnect with his daughter, Frank tries to get to know her new family.

But the more he pushes, the more resistance he encounters. He needs to know more about this family, but if he finds out too much, he may lose his daughter forever.