After a tragic loss, Jessica Chamberlain changes jobs, moves, and adopts a rowdy German shepherd. The two begin training with a Virginia search-and-rescue group. The group's training director, Nathan Tanner, is a former military working dog handler with scars of his own and he quickly picks up on Jess's ongoing anxiety. After the unexpected discovery of a body in the woods, Jess and her dog and Nate are drawn into the FBI's search for an abductor targeting women. Tormented by her past and terrified of the future, Jess still forges ahead.

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.

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.

It should have been a routine investigation. Instead, DEA K-9 agent Adam "Deck" Decker watches in horror as one Denver hospital seems to be ground zero for overdoses of a new drug. Now Deck can only hope a certain ER doctor will help him and his canine partner track down the source. Dr. Tori Sampson has her reasons for not trusting federal agents, especially ones working for the DEA. But the rash of overdoses—including a heartbreaking case involving a teen—is alarmingly high. And the new opioid is not only extremely dangerous, it defies all the usual medical treatments.

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.

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.

US Marshal John Mason gains full custody of his son and is transferred to Sanctuary, a witness protection town that isn't on any map. When the town's first-ever murder occurs, John's plans to reconnect with his boy are derailed by the investigation. Andra Caleri gave up her old life a long time ago, but someone wants her out of Sanctuary--to pay. As accusations fly and John uncovers a conspiracy that stretches all the way to Washington, Andra's past comes back in a true test of the mercy she received. Can John give up what he wants the most to bring the truth to light?

Meg and Hawk are part of the FBI's elite K-9 unit. Hawk can sniff out bodies anywhere - living or dead - whether it's tracking a criminal or finding a missing person. When a bomb rips apart a government building on the National Mall in Washington, D.C., it takes all of the team's extensive search-and-rescue training to locate and save the workers and visitors buried beneath the rubble.

Crack CIA analyst Trista Gold is a whiz with the computer, but not so much with people. She hides behind her job, analyzing top-secret code and making recommendations on national security. CIA K-9 officer Sgt. Matt Connors suspects that beneath Trista's uptight appearance, there's a sexy woman itching to cut loose. But he doesn't dare act on his attraction. He's a loner and always will be. Keeping away from Trista is a must-do directive. Until he doesn't have a choice. During a routine assignment, Trista stumbles across a cryptic exchange. Then someone tries to murder her - twice.

Detective James Holton has been honorably discharged from the Army Criminal Investigation Division due to wounds sustained when an IED blew up near him. Now with the Lake City Police Department, he's rooming with his good buddy and partner, Cole, while he figures out his family dynamics. Physician Assistant Lainie Jackson is eighteen months out from an attempted murder perpetrated by her ex, which ended when she managed to grab the weapon and shoot him. When he appears to have survived and is back to finish the job he started, Lainie insists it's not possible.

Riley Bishop is a single mother, working at home as a graphic designer to provide for her two children, Sadie and Oliver. But something is very wrong. Riley starts forgetting things—like appointments, where she put her keys, and where she parked her car. And then she thinks she sees her deceased ex-husband while out shopping. But as Riley begins to question her own sanity, her twelve-year-old Sadie goes missing. Soon Riley finds it harder and harder to know what is truth and what are lies as she is forced to question her own reality while she searches for her daughter.

Chief of police Tristan Church likes Marsville just the way it is. He has his job and his police dog, Fuzz, for company. He could have Sheriff Skylar Morgan, too, but she’s determined to keep him at arm’s length, even if the one night they shared was unforgettable. Skylar can’t deny that the connection she has with Tristan is unlike anything she’s ever felt before. She loves Marsville, but while most of the town is happy with her as Sheriff, it’s been a long, hard road proving herself.

Navy SEAL Jack Daniels (save the jokes, he’s heard them all) and his trusty Belgian Malinois sidekick, Dakota, are back home in Asheville, North Carolina, after a bomb left them scarred. Unable to accept that he’ll never be able to return to his team, Jack is looking for a miracle. What he isn’t looking for is a permanent relationship, though he’s open to a no-strings distraction at the magic hands of gorgeous local potter Nichole Masters.

When teenage sisters go missing in the mysterious "Bennington Triangle" of Vermont, an area renowned for its disappearances and strange occurrences over the past 100 years, FBI agent Jack Juarez brings K-9 handler Jamie Flint and her dog Phantom in to assist with the search. When Jack realizes the case shares haunting similarities with the murders of the missing girls' aunts 10 years before, it becomes clear that he and Jamie are dealing with much more than two girls who simply wandered off the beaten path.

When her estranged uncle attempts to sabotage her family’s reindeer ranch, K-9 team assistant Katie Kapowski heads home to help save it—and becomes his target. With their rocky past, Alaska State Trooper Brayden Ford and his furry partner are the last team Katie wants assigned to protect her. But with the ranch under siege, they must work together…or risk falling victim to a killer.