It’s tough working nights with the NYPD. The crime rate is high, the hours are terrible, and forget about a personal life. So, when Officer O’Reilly and her K-9 Rolf switch over to the day shift, things look up. She’s even able to find time for a new boyfriend. But when the theft of a priceless painting from the Queens Museum leaves a fellow police officer dead, Erin and her four-legged partner find themselves dealing with dangerous criminals, sleazy art dealers, and obstructive detectives in a race to capture the killers...and just maybe bring closure to a 75-year-old crime.

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.

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 autistic dog rehabilitator Maddie "Mad Girl" Whitney discovers a corpse on her neighbor's ranch, she impulsively tries to drum up business by claiming that psychic abilities led her to the victim . . . with devastating consequences. Maddie's forced to start a K-9 Search and Rescue team with her ex-girlfriend's twin, a hostile sheriff, or risk losing her beloved former military dog. She reluctantly begins reaching out to others . . . and finds friendship and kindness in the unlikeliest of places.

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…

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.

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.

Wilderness expert and dog trainer Raine Stockton agrees to help lead a survival skills training camp for her fiancés executive team. She is unaware that she and her tracking dog, Cisco, are walking into a hotbed of corporate intrigue involving espionage and stolen technology. Everyone at the retreat is a suspect, and no one can be trusted. And none of them is aware that, while their small drama plays out, a much bigger threat is stalking them.

A TV journalist travels to the Louisiana/East Texas bayou country to contact a disgraced police detective who was relegated to desk duty after complaining how his boss rushed to close the case of a missing girl presumed dead by pinning it on the wrong guy. The journalist has found a connection to other missing girl cases all linked through the appearance of a blood moon. They join forces to solve the case while sparks fly

As a native of the small town of Hansonville, North Carolina,and a wilderness rescue worker, Raine Stockton knows the Smoky Mountains as well as anyone could, but she gave up her Search and Rescue work after a tragic loss. Now she reluctantly returns to active duty to help find a young child who has been kidnapped and taken deep into the forest.