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.

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.

When a teenager arrives at a Maine hospital with a rattlesnake bite, warden Mike Bowditch is baffled. Rattlesnakes have been extinct in the region for over a hundred years—so where did this one come from? Bowditch’s investigation leads him to a pair of eccentric scientists who have a vested interest in rattlesnakes and their venom. Even more suspicious, their estranged daughter has accused them of carrying out grotesque experiments on her. As more rattlesnakes appear in the woods—and the case becomes increasingly mystifying—Bowditch finds himself running out of time to catch his exotic foe.

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

Joe Pickett is the new game warden in Twelve Sleep, Wyoming, a town where nearly everyone hunts and the game warden—especially one like Joe who won't take bribes or look the other way—is far from popular. When he finds a local hunting outfitter dead, splayed out on the woodpile behind his state-owned home, he takes it personally. There had to be a reason that the outfitter, with whom he's had run-ins before, chose his backyard, his woodpile to die in.

On Memorial Day in Jewel, Minnesota, the body of wealthy landowner Jimmy Quinn is found floating in the Alabaster River, dead from a shotgun blast. The investigation falls to Sheriff Brody Dern, a highly decorated war hero who still carries the physical and emotional scars from his military service. Even before Dern has the results of the autopsy, vicious rumors begin to circulate that the killer must be Noah Bluestone, a Native American WWII veteran who has recently returned to Jewel with a Japanese wife.

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.

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.

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.

Cody Hoyt, while a brilliant cop, is an alcoholic struggling with two months of sobriety when his mentor and AA sponsor Hank Winters is found burned to death in a remote mountain cabin. At first it looks like the suicide of a man who's fallen off the wagon, but Cody knows Hank better than that. Sober for fourteen years, Hank took pride in his hard-won sobriety and never hesitated to drop whatever he was doing to talk Cody off a ledge. When Cody takes a closer look at the scene of his friend's death, it becomes apparent that foul play is at hand.

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.

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.

Virgil Flowers kicked around for a while before joining the Minnesota Bureau of Criminal Apprehension. First it was the army and the military police, then the police in St. Paul, and finally Lucas Davenport brought him into the BCA, promising him, "We'll only give you the hard stuff." He's been doing the hard stuff for three years now, but never anything like this.

When 22-year-old Candy goes missing on a popular hiking trail, suspicion falls on her recently paroled ex-boyfriend. It was Candy's testimony that got him put away...and now he's after revenge. The ensuing manhunt leads Savage and his team into the unforgiving Colorado mountains, where avoiding the wild animals are the least of their worries. Just when they think they've got their man, a new development spins the case on its head. Who was Candy really running from? And are they still after her?

By age twenty-four, Letty Davenport has seen more action and uncovered more secrets than many law enforcement professionals. Now a recent Stanford grad with a master’s in economics, she’s restless and bored in a desk job for U.S. Senator Colles. Letty’s ready to quit, but her skills have impressed Colles, and he offers her a carrot: feet-on-the-ground investigative work, in conjunction with the Department of Homeland Security.