It was inescapably chilling, as if the murderer was methodically working his way down a page torn from the phone book. The three victims brutally killed in their own homes had one thing in common: They were all listed as M. Douglas. The fact that Mara Douglas is next on the list has her jumping at shadows, until FBI agent Aidan Shields shows up to make sure she doesn't become the fourth victim.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

Daughter of a cold, controlling mother and an anonymous donor, studious, obedient Elizabeth Fitch finally let loose one night, drinking too much at a nightclub and allowing a strange man’s seductive Russian accent to lure her to a house on Lake Shore Drive. Twelve years later, the woman now known as Abigail Lowery lives alone on the outskirts of a small town in the Ozarks.

It was a typical evening at a mall outside Portland, Maine. Three teenage friends waited for the movie to start. A boy flirted with the girl selling sunglasses. Mothers and children shopped together, and the manager at the video game store tended to customers. Then the shooters arrived. The chaos and carnage lasted only eight minutes before the killers were taken down. But for those who lived through it, the effects would last forever.

Marc Seidman awakens to find himself in an ICU, hooked up to an IV, his head swathed in bandages. Twelve days earlier, he had had an enviable life as a successful surgeon, living in a peaceful suburban neighborhood with his beautiful wife and a baby he adored. Now he lies in a hospital bed, shot by an unseen assailant. His wife has been killed, and his 6-month-old daughter, Tara, has vanished. But just when his world seems forever shattered, something arrives to give Marc a new hope: a ransom note.

On a hot July afternoon, a worker at an Antietam Creek construction site drives the blade of his backhoe into a layer of soil - and strikes a 5,000-year-old human skull. The discovery draws plenty of attention and a lot of controversy. It also changes the life of one woman in ways she never expected.

For fans of Louise Penny, C. J. Box, and Nevada Barr comes a haunting crime novel set in Glacier National Park, where one man finds himself on a collision course with the dark heart of the wild and the even darker heart of human nature.

When an eleven-year-old is abducted on her way to school, the FBI doesn’t waste a moment, sending agents to scour the area and embedding Special Agent Ava McLane with the distraught family. In the eye of the storm is local detective Mason Callahan, whose life is crumbling to pieces - he’s related to the victim, and his longtime confidential informant has just been murdered.

Jordan Russell had the perfect life until the brutal monster from her childhood resurfaced, opening up scars she thought were healed. With the hope of finally finding closure, Jordan leaves her cheating husband and her career in the FBI and returns to where her nightmare began. But what awaits her in Thorny Creek will push her to the very edge of sanity and bring her face to face with her abductor.

Ten years ago, PI Jessie Cole and reporter Ben Morrison each suffered a tragedy that changed their lives - and now these two strangers are about to share a nightmare. For Jessie, who makes her living finding missing persons, no case has consumed her more than the disappearance of her younger sister, Sophie. But left alone to raise Sophie's daughter, she realizes that solving the case has become an unhealthy obsession.

FBI Special Agent Samuel Kerman has been tasked to catch a wildly erratic serial killer dropping bodies in Pennsylvania state parks. The victims differ, and the manner of murder changes every time. Amid the mountains of physical evidence, only a mysterious gray dust and declarations of guilt or innocence link the crimes. It's not much to work with, and the case drags on for months. Then, things go from bad to worse when the killer makes it personal. Family, friends, strangers...everybody's in danger of being scratched off.

As a medical examiner, Samantha Owens knows her job is to make a certain sense of death with crisp methodology and precision instruments. But the day the Tennessee floods took her husband and children, the light vanished from Sam’s life. She has been pulled into a suffocating grief no amount of workaholic ardor can penetrate - until she receives a peculiar call from Washington, D.C. On the other end of the line is an old boyfriend’s mother, asking Sam to do a second autopsy on her son.

Regulars at Nadia’s nature lodge don’t ask what she does in the off-season. And that’s a good thing. If she told them, she’d have to kill them. She’s a hit woman for a Mafia family. Tough and self-sufficient, Nadia doesn’t owe anyone any explanations. But that doesn’t mean she always works alone. One of her contacts has recruited her in the hunt for a ruthlessly efficient serial killer cutting a swath of terror across the country. The assassin is far too skilled to be an amateur - and the precision of the killings is bringing the Feds much too close to the hit man community for comfort.

Lucy Sadler Caldwell is a successful true-crime writer. But the one story she's never been able to come to terms with is the murder of her own mother - until now. She's returned to Dobbs Hollow, Texas, the hometown she fled 17 years ago, to finally expose the real killer. When she starts digging into the past, she unearths a psychotic killer who will stop at nothing to silence her forever.

Twenty-four-year-old Olivia Taylor Jones has the perfect life. The only daughter of a wealthy, prominent Chicago family, she has an Ivy League education, pursues volunteerism and philanthropy, and is engaged to a handsome young tech firm CEO with political ambitions. But Olivia’s world is shattered when she learns that she’s adopted. Her real parents? Todd and Pamela Larsen, notorious serial killers serving a life sentence.