When a young girl is found dead in the mountains outside Timber Creek, lifelong resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town. With the help of Cole Walker, a local veterinarian and single father, Mattie and Robo must track down the truth before it claims another victim. But the more Mattie investigates, the more she realizes how many secrets her town holds. And the key may be Cole's daughter, who knows more than she's saying.

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.

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.

While studying wolverines on a wildlife sanctuary in Montana, biologist Alex Carter is run off the road and threatened by locals determined to force her off the land. Undeterred in her mission to help save this threatened species, Alex tracks wolverines on foot and by cameras positioned in remote regions of the preserve. But when she reviews the photos, she discovers disturbing images of an animal of a different kind: a severely injured man seemingly lost and wandering in the wilds.

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.

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.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

Introducing Wyoming's Sheriff Walt Longmire in this riveting novel from the New York Times best-selling author of Dry Bones, the first in the Longmire series, the basis for the hit Netflix original series Longmire. Johnson draws on his deep attachment to the American West to produce a literary mystery of stunning authenticity, full of memorable characters.

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.

A cop lies dying beneath the blistering Arizona sun - a local lawman who may well have become the next sheriff of Cochise County. The police brass claim that Andy Brady was dirty, and that his shooting was a suicide attempt. Joanna Brady, his devoted wife and mother of their nine-year-old daughter, knows a cover-up when she hears one...and murder when she sees it.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

A local fisherman lands more than he bargained for when he pulls a dead body out of Montana’s Madison River. Sheriff Martha Ettinger takes on the case and soon comes into the company of reclusive artist, Montana newcomer, and ex-PI Sean Stranahan. After teaming up to investigate, Martha and Sean soon uncover evidence that the murder has ties to one of the state’s biggest industries: fly fishing.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

Professor Theo Cray is trained to see patterns where others see chaos. So when mutilated bodies found deep in the Montana woods leave the cops searching blindly for clues, Theo sees something they missed. Something unnatural. Something only he can stop. As a computational biologist, Theo is more familiar with digital code and microbes than the dark arts of forensic sleuthing.

It's Peretti's ultimate monster story. And this time, the monster is real. Miles away from the hectic city, Reed and Rebecca hike into the beautiful Northwestern woods. They're surrounded by gorgeous mountains, waterfalls, and hundreds of acres of unspoiled wilderness. But something - or someone - begins closing in on them. Something no human has ever seen. And it's killing everyone in its path without remorse.