K-9 officer Jackson Locke’s sister has vanished—and the key to finding her lies with Amy Scout…his sister’s best friend and his old crush. But when Amy comes under attack, two things become clear: Jackson’s sister has been investigating cold cases and someone wants Amy dead. Now he must untangle the mystery between the cold cases and his sister’s disappearance while guarding Amy from an enemy willing to kill to hide the truth…

K-9 officer Tarren McGregor never imagined that a cartel would find its way to Texas’s South Padre Island—or target his best friend’s sister. But when Julia Hamilton witnesses and prevents the kidnapping of a teen girl, Tarren knows that trouble is soon to follow. Because Julia didn’t just protect the girl—she saw the abductor’s face. Now she’s marked for murder, and it’s up to Tarren and his K-9 partner to keep Julia safe from the human traffickers in pursuit…even if it means putting themselves in the line of fire.

Single father Patrick Craft’s world is shaken when his son, Tristan, is abducted…after learning Tristan’s mother was the victim of a cold case serial killer. Someone is targeting Patrick and his son—but who? Could it be the Noëlville serial killer, back after all these years, or the dangerous armed men gunning for Patrick? And who has been sending letters and Christmas gifts to Tristan, posing as his mother?

When patrol officer Trisha McCord's six-month-old son is nearly abducted, K-9 officer West Cole saves him just in time. The single mom has no leads on who would try to take her baby—or why. And West won’t let her deal with the threat on her own, especially with the kidnapper closing in and attacks escalating. With her child’s life at stake, Trisha, West and his K-9, Peanut, must race to catch a ruthless criminal in time to save innocent lives—including their own.

K-9 officer Jared Miles stumbles upon a crime scene on his day off and believes Kassie Ashbaugh is the victim of a random attack. However, as threats on her life continue, he realizes that Kassie is in grave danger. Her father's abandoned boat suggests foul play, and Jared suspects someone is after Kassie for something her missing father is hiding. Can Jared unravel the mystery before unknown enemies catch her?

When K-9 task force officer Zach Kelsey’s estranged wife is attacked at a Mount Rushmore observation deck, he and his K-9, Amber, are quick to come to her rescue. He discovers not only that Eden, a park ranger, is carrying his child, but that she saw her coworker’s murder. As the only witness to the crime, Eden has no choice but to accept Zach’s protection. But with a ruthless killer ramping up his vicious attacks, they must put their differences aside to catch the murderer…before Eden becomes his next target.

Mountain Country K-9 Unit Books 1-3 includes Baby Protection Mission, Her Duty Bound Defender, and Chasing Justice. Baby Protection Mission: When a baby is targeted, can a K-9 team keep him safe? Her Duty Bound Defender: Threatened and falsely accused…she’ll need this K-9’s protection. Chasing Justice: A man falsely accused…can a K-9 unit dig up the truth?

Racing into a burning cabin to search for survivors, firefighter Diana Cameron stumbles upon an unconscious child—and two bodies with bullet wounds. When a sniper targets their narrow escape, Diana has no choice but to team up with bodyguard Chase Mitchell to keep the little girl safe. Uncovering the identity of the murder victims is the only way to find the killer. But as they’re chased by gunmen into the mountain wilderness, can they protect a tiny witness from the unknown…when the truth is more sinister than they imagined?

DEA Agent Doug Bridges is angry to realize his stepsister has been kidnapped after her night shift at the hospital. He goes into full agent mode to investigate, but soon runs into dead ends. Winter in northern Wyoming is no joke and he needs help, fast. When he’s referred to the Sullivan K-9 Search and Rescue team, he convinces Maya Sullivan and her Siberian Husky Zion to help him find Emily.

Grappling with the aftermath of a tragic incident that altered her life, ex-police officer and bestselling mystery author Erin Delaney finds solace in the tranquility of a cabin nestled deep in the Smoky Mountains. But her newfound peace is shattered when cries pierce the night, hinting at a haunting presence lurking in the woods. When local police chief Adrian Nightengale seeks her help with a baffling murder case, she is thrust back into the world of crime solving. As they delve into the investigation, Erin's intuition reveals chilling truths about the killer's motives and methods.

When someone tries to run dog trainer Micah Landon off the road, Officer Lucy Lopez and her K-9 partner, Piper, show up just in time to make a rescue. Someone wants Micah dead—but why? Is this connected to Lucy’s weapon-smuggling case, in which she’s investigating Micah’s younger half brother? Or was Micah attacked because he started looking into the cold case murder of his stepmother? As threats against Micah escalate and secrets are revealed, it’s clear someone will stop at nothing to keep an unsolved murder buried. Can they uncover the truth before it costs them their lives?

Meet Jack, a tracker with a past he’s trying to escape. The first epic book of the Minnesota Kingston series by USA Today bestselling author Susan May Warren. Her secret blew apart his life—and now she needs his help? If only he could say no… Ten years should be long enough for Jack to forget the girl-next-door, his kid sister’s bestie and the woman—no, girl—who derailed his life. Now, he sort of likes his loner world as a missing person’s tracker. Well, mostly. But of course, when he returns home for his sister’s wedding, there she is… Nope, not forgotten at all.

Former Special Forces Operative Bradyn Hunt may have traded a battlefield for his family ranch in Texas, but that doesn’t mean he stopped fighting. As the founder of Hunt Brother's Search and Rescue, he and his team take on missing persons cases that no one else can solve. They’ve retrieved people from the very depths of hell-on-earth, which has left him with his fair share of scars.

Rescuing a kidnapped child is part of the job for search-and-rescue K-9 handler Patrick Sanders—but this time it's his son. Now Patrick and his furry partner must work with his high school love, Jennie Wilcox, to shield the little boy he just learned about. In a hurricane's aftermath, Detective Erin Jeffries is stunned when she and her K-9, Alcee, uncover a collapsed building's only survivor—her long-ago ex, Cody Elbourne .When park ranger Autumn Mercer and her K-9 partner, Sherlock, meet a stranger in the mountains whose brother is injured, they drop everything to help.

Caitlyn Reed and her dog, Renegade, are thrown into the midst of murder and intrigue when they discover a dead body while on a trail ride in the black hills of Wyoming. The local sheriff is hell-bent on a conviction, and Caitlyn’s brother, Dylan, is in his crosshairs. Desperate to prove his innocence, Caitlyn turns to Deputy Colt Branson for help, but she must grapple with their rocky romantic past to gain his aid. As Caitlyn and Renegade pursue the killer, the investigation catapults their lives in a dangerous new direction.

When patrol officer Trisha McCord's six-month-old son is nearly abducted, K-9 officer West Cole saves him just in time. The single mom has no leads on who would try to take her baby—or why. And West won’t let her deal with the threat on her own, especially with the kidnapper closing in and attacks escalating. With her child’s life at stake, Trisha, West and his K-9, Peanut, must race to catch a ruthless criminal in time to save innocent lives—including their own.

Single father Patrick Craft’s world is shaken when his son, Tristan, is abducted…after learning Tristan’s mother was the victim of a cold case serial killer. Someone is targeting Patrick and his son—but who? Could it be the Noëlville serial killer, back after all these years, or the dangerous armed men gunning for Patrick? And who has been sending letters and Christmas gifts to Tristan, posing as his mother?

K-9 officer Jackson Locke’s sister has vanished—and the key to finding her lies with Amy Scout…his sister’s best friend and his old crush. But when Amy comes under attack, two things become clear: Jackson’s sister has been investigating cold cases and someone wants Amy dead. Now he must untangle the mystery between the cold cases and his sister’s disappearance while guarding Amy from an enemy willing to kill to hide the truth…

When King Elsher’s murdered partner falls in Scarlett Beam’s path—literally—the DEA agent and security expert find themselves in a deadly cartel’s crosshairs. The message is clear: stop interfering with their business or they’ll be the next victims. The past taught King to keep professional and personal separate. But Scarlett’s wit and determination tempt him to break his code. And then his son is kidnapped, raising the stakes even further. One wrong step can get them killed. Can King get justice…and keep them all alive?

This state-of-the-art smart home has everything: a next-generation entertainment system, an ultramodern kitchen where every appliance is online and even a personal AI to control it all. Standing above its owner's lifeless body, FBI agent Jude Mackenzie is faced with the daunting task of discovering how the woman was killed by her own home. How do you catch a murderer that doesn't leave any fingerprints?