Struggling to reclaim his career after the devastating murder of his partner eight months earlier, LAPD cop Max Kent is teamed with a traumatized military canine named Maggie who assists Max in an effort to track down his late partner's killer

When a young girl is found dead in the mountains outside Timber Creek, life-long resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town.

Deputy Mattie Cobb is in a dark place and has withdrawn from Cole Walker and his family to work on issues from her past. When she and her K-9 partner Robo get called to track a missing junior high student, they find the girl dead on Smoker's Hill behind the high school, and Mattie must head to the Walker home to break the bad news. But that's only the start of trouble in Timber Creek, because soon another girl goes missing--and this time it's one...

"Two brutal murders, a menacing band of poachers, and a fearsome creature on the loose in the mountains plunge Mattie Cobb and her K-9 partner Robo into a sinister vortex. An explosion outside a community dance sends Mattie Cobb and Cole Walker reeling into the night, where they discover a burning van and beside it the body of outfitter Nate Fletcher. But the explosion didn't kill Nate -- it was two gunshots to the heart. The investigation leads them...

Deputy Mattie Cobb and her sister, Julia, travel to Mexico to visit their mother, but when they arrive, they discover that she and her husband have vanished without a trace. Back in Timber Creek, Mattie finds a chilling note on her front door telling her to look for him among the standing dead up in the high country. The sheriff's department springs into action and sends a team to the mountains, where Mattie s K-9 partner, Robo, makes a grisly discovery...

"An entertaining suspense story. . . . Barker is tough when she needs to be, and clever and persistent in following her hunches." — School Library Journal

#1 New York Times bestselling author Stuart Woods delivers a riveting thriller that introduces his first female protagonist, Deputy Chief of Police Holly Barker.

Forced into early retirement at thirty-seven, smart and fiercely independent Major

...

Scouting for trail damage after a Timber Creek flood, officer Mattie Cobb and her K-9 partner, Robo, stumble on the body of a murder victim with ties to a bizarre religious cult, before an unexpected visit leads to astonishing revelations.

FBI Special Agent Meg Jennings and Hawk, her loyal search-and-rescue Labrador, must zero in on one of the deadliest killers in the country, a serial bomber who draws Meg and Hawk into a battle of wits and survival skills.

Megan Luz had only been on the police forcec for six months when she tazered her sexist partner in the groin. She's given a second chance, this time with a K-9 partner named Bridget. Together, the officer and dog investigate a mall bombing.

A race for survival. Following the Trail: Lacey Jefferson's search for her missing sister quickly turns into a murder investigation--thrusting Lacey and her search-and-rescue K-9, Scarlett, into a killer's sights. Now teaming up with her ex-boyfriend, Sheriff Creed Payne, is the only way to discover the murderer's identity. But can they survive long enough to dig up the truth? Dangerous Mountain Rescue: Erin Lansing will search every inch of the mountains...