Officer Ren Hopper is an enforcement ranger with the National Park Service, tasked with duties both mundane and thrilling: Breaking up fights at campgrounds, saving clueless tourists from moose attacks, and attempting to broker an uneasy peace between the wealthy vacationers who tromp through the park with cameras, and the residents of hardscrabble Cooke City who want to carve out a meaningful living. When Ren, hiking through the backcountry on his day off, encounters a tall man with a dog and a gun chasing a small black bear up a hill, his hackles are raised.

In Montana's Gravelly Range, paw prints and a single whisker discovered at a scene of horrific violence suggest a woman has been attacked and carried away by a mountain lion. Sheriff Martha Ettinger employs her fiancé, sometimes-detective Sean Stranahan, to put a name to the gnawed bones comprising all that is left of the body. The woman's is the first of several deaths that Sean suspects are not as easily explained as they appear.

The rugged landscape of Sequoia National Park is a challenge on the best of days - but when a park ranger discovers an abandoned exclusive campsite with an empty tent and high-end technical gear scattered on the shores of an alpine lake, the wilderness takes on a sinister new hue. Thirty-two-year-old Felicity Harland - a former FBI agent who left the service in the wake of a personal tragedy and has taken her skills off the grid - is brought in as chief investigator.

US Marshal Arliss Cutter is a born tracker. Raised in the swamplands of Florida, he honed his skills in the military, fought in the Middle East, and worked three field positions for Marshal Services. When it comes to tracking someone down - or taking someone out - Cutter's the best. But his newest assignment is taking him out of his comfort zone to southeast Alaska. Cold, dark, uninhabited forests that are often shrouded in fog. And it's the kind of case that makes his blood run cold.

After their last deployment, when she got shot, her fiancé, Martinez, got killed, and his bomb-sniffing dog, Elvis, got depressed, soldier Mercy Carr and Elvis were both sent home, her late lover’s last words ringing in her ears: “Take care of my partner.” On the Fourth of July weekend, when all of Northshire celebrates with fun and frolic and fireworks, the dog alerts to explosives and they find a squalling baby abandoned near a shallow grave filled with what appear to be human bones.

Davis Reed is plagued by the three A's: anger, alcohol, and anxiety. A former Charleston police officer turned private detective, Davis hopes to gain some respect, self and otherwise, by writing a book. His subject? The true story of a B-25 bomber that crashed on Cold Mountain in western North Carolina just after the end of World War II. From the comfort of a mountain cabin in Cruso, North Carolina, Davis spends his days popping anti-anxiety pills, drinking copious amounts of home-brewed beer, and not writing.

Anthony Award-winning author William Kent Krueger crafts this riveting tale about a small Minnesota town’s ex-sheriff who is having trouble retiring his badge. Cork O’Connor loses his job after being blamed for a tragedy on the local Anishinaabe Indian reservation. But he must set aside his personal demons when a young boy goes missing on the same day a judge commits suicide—and no one but O’Connor suspects foul play.

As a decorated undercover DEA special agent, Garrett Kohl has traveled the world - and fought in most of it - but it’s the High Plains of northwest Texas he calls home and dreams of returning to one day. Kohl is in the middle of an assignment in Afghanistan when his commander orders him back to Texas on a short mission expected to take a week at most. But Kohl is unsettled to discover that he’s moving from one kind of war to another.

If you love mysteries with action, suspense and a touch of humor and romance, then the David Wolf series is for you.

Dive into the world of Maddie Castle, a retired K9 handler turned private investigator, in this heart-pounding collection of the first three novels in the bestselling series. From gripping mysteries to life-threatening pursuits, Maddie and her canine partners battle danger, corruption, and their own pasts to bring justice to those who need it most.

Coming from scandalous Florida treasure hunters and drug smugglers, Sloan McPherson is forging her own path, for herself and for her daughter, out from under her family’s shadow. An auxiliary officer for Lauderdale Shores PD, she’s the go-to diver for evidence recovery. Then Sloan finds a fresh kill floating in a canal - a woman whose murky history collides with Sloan’s. Their troubling ties are making Sloan less a potential witness than a suspect. And her colleagues aren’t the only ones following every move she makes. So is the killer.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

She used to work for the US government, but very few people ever knew that. An expert in her field, she was one of the darkest secrets of an agency so clandestine it doesn't even have a name. And when they decided she was a liability, they came for her without warning. Now she rarely stays in the same place or uses the same name for long. They've killed the only other person she trusted, but something she knows still poses a threat. They want her dead, and soon.

Drafted against her will to become a "Sparrow" - a trained seductress in the service, Russian intelligence officer Dominika Egorova is assigned to operate against Nathaniel Nash, a first-tour CIA officer who handles the CIA's most sensitive penetration of Russian intelligence. The two young intelligence officers, trained in their respective spy schools, collide in a charged atmosphere of tradecraft, deception, and inevitably, a forbidden spiral of carnal attraction that threatens their careers and the security of America's valuable mole in Moscow.

“Bad Bobby” Trent, star high school athlete, college scholarship holder, pro-rodeo circuit rider, lived an unencumbered life. He was a man, who, by his own definition, limited his concentration to no more than eight seconds at a time - the time required to ride a bull or saddlebronc and win. He’s tough, independent, shallow, and always looking for a good time. Then his father is murdered. Sheriff Robert Trent, was the longtime chief law enforcement officer of Lodge Pole County Montana. He was stern, fair, honest, and dependable.

Her designation is H124 - a menial worker in a city safeguarded against the devastating storms of the outer world. In a community where consumerism has dulled the senses, where apathy is the norm and education is a thing of the past, H124 has one job: remove the bodies of citizens when they pass away in their living pods. Then one night, H124's routine leads her into the underground ruins of an ancient university. Buried within it is a prescient alarm set up generations ago: an extinction-level asteroid is hurtling toward Earth....

The rugged landscape of Sequoia National Park is a challenge on the best of days - but when a park ranger discovers an abandoned exclusive campsite with an empty tent and high-end technical gear scattered on the shores of an alpine lake, the wilderness takes on a sinister new hue. Thirty-two-year-old Felicity Harland - a former FBI agent who left the service in the wake of a personal tragedy and has taken her skills off the grid - is brought in as chief investigator.

From the vivid opening vista, high in craggy mountains, to the final haunting glimpse of a moonlit canyon, Nevada Barr's first mystery, Track of the Cat, instantly caught the attention of readers and reviewers. Its popularity gained it both an Agatha and an Anthony Award.

Nineteen-year-old Avery Delacorte loves the water. Growing up in Brookline, Massachusetts, she took swim lessons at her community pool and captained the local team; in high school, she raced across bays and sprawling North American lakes. Now a sophomore on her university's nationally ranked team, she struggles under the weight of new expectations, but life is otherwise pretty good. Perfect, really.

As a Fish and Wildlife police officer, Luke McCain and his partner - a yellow Lab named Jack - spend their days patrolling the rivers, lakes, and forests of the wild and scenic Cascade Mountains in Eastern Washington. After hunters discover human remains inside a bear's stomach, McCain is thrust into the investigation. As more dead women are found in McCain's region, authorities suspect a serial killer is prowling the mountains he knows best. McCain will need his knowledge as an outdoorsman, and his instincts as an investigator, to track the psychopathic predator.

New owners of a dream cottage on a remote Maine lake find themselves taunted, then menaced by an unknown figure. When the local authorities refuse to help, they turn to retired Maine game warden Charley Stevens and his young protege Mike Bowditch for protection. But Charley begins to suspect there is more to the mystery than the couple is letting on—and if he and Mike don’t act fast, the situation will explode into violence.

After their last deployment, when she got shot, her fiancé, Martinez, got killed, and his bomb-sniffing dog, Elvis, got depressed, soldier Mercy Carr and Elvis were both sent home, her late lover’s last words ringing in her ears: “Take care of my partner.” On the Fourth of July weekend, when all of Northshire celebrates with fun and frolic and fireworks, the dog alerts to explosives and they find a squalling baby abandoned near a shallow grave filled with what appear to be human bones.

Coming from scandalous Florida treasure hunters and drug smugglers, Sloan McPherson is forging her own path, for herself and for her daughter, out from under her family’s shadow. An auxiliary officer for Lauderdale Shores PD, she’s the go-to diver for evidence recovery. Then Sloan finds a fresh kill floating in a canal - a woman whose murky history collides with Sloan’s. Their troubling ties are making Sloan less a potential witness than a suspect. And her colleagues aren’t the only ones following every move she makes. So is the killer.

In Montana's Gravelly Range, paw prints and a single whisker discovered at a scene of horrific violence suggest a woman has been attacked and carried away by a mountain lion. Sheriff Martha Ettinger employs her fiancé, sometimes-detective Sean Stranahan, to put a name to the gnawed bones comprising all that is left of the body. The woman's is the first of several deaths that Sean suspects are not as easily explained as they appear.

When Kate Fox receives a late-night phone call, her seemingly perfect life on the Nebraska prairie shatters in an instant. Eldon, shirt-tail relative and owner of one of the largest cattle ranches in Grand County, has been killed. Kate's husband, Ted, the Grand County sheriff, has been shot and may never walk again. And worst of all, Ted is the prime suspect in Eldon’s murder. Desperate to clear Ted's name, Kate throws herself headlong into the hunt for the real killer. When she finds herself the victim of several mysterious “accidents”, she knows she’s running out of time.

Confronted with questions of underage abortion, plagued by a stalker and paralyzing PTSD flashbacks, and eventually caught in the center of a police brutality scandal, Kennedy discovers that her first year at Harvard University involves a lot more than passing a few lab classes and fulfilling her premed requirements.

As a decorated undercover DEA special agent, Garrett Kohl has traveled the world - and fought in most of it - but it’s the High Plains of northwest Texas he calls home and dreams of returning to one day. Kohl is in the middle of an assignment in Afghanistan when his commander orders him back to Texas on a short mission expected to take a week at most. But Kohl is unsettled to discover that he’s moving from one kind of war to another.

Set in the wilds of Maine, this is an explosive tale of an estranged son thrust into the hunt for a murderous fugitive - his own father. Game warden Mike Bowditch returns home one evening to find an alarming voice from the past on his answering machine: his father, Jack, a hard-drinking womanizer who makes his living poaching illegal game. An even more frightening call comes the next morning from the police: They are searching for the man who killed a beloved local cop the night before - and his father is their prime suspect.

After years of war, Army Ranger Quinn Colson returns home to the rugged, rough hill country of northeast Mississippi to find his native Tibbehah County overrun with corruption, decay, meth runners, and violence. His uncle, the longtime county sheriff, is dead. A suicide, he’s told, but others - like tomboy Deputy Lillie Virgil - whisper murder. In the days that follow, it’s up to Colson to discover the truth, not only about his uncle, but about his family, his friends, his town, and himself.

I had it all: a fantastic husband, two great kids, an exciting career. And then, at the age of forty-three, I found out I would be dead before my next birthday. My mother also died young. I was seventeen, and she warned me that women would flock to my suddenly single father like stray cats to an overturned milk truck. They did. And one absolutely evil woman practically destroyed his life, mine, and my sister’s. I am not letting that happen to my family. I have three months, and I plan to spend every waking minute searching for the perfect woman to take my place as Alex’s wife.