When a young girl is found dead in the mountains outside Timber Creek, lifelong resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town. With the help of Cole Walker, a local veterinarian and single father, Mattie and Robo must track down the truth before it claims another victim. But the more Mattie investigates, the more she realizes how many secrets her town holds. And the key may be Cole's daughter, who knows more than she's saying.

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.

Lost and Found, Book 1: A young woman races a Texas blizzard to save her autistic nephew from a deadly secret others will kill to protect - and the service dog she's trained finds his true purpose, when he disobeys. An aunt searches for her lost nephew - and dooms her sister. A mom gambles a miracle will cure - and not kill - her child. A dog finds his true purpose - when he disobeys.

In the wake of a devastating hurricane, Special Agent Meg Jennings and her Labrador, Hawk - invaluable members of the FBI’s Human Scent Evidence Team - have been deployed to Virginia Beach. They have their work cut out for them. Amid graveyards of debris, and the buried cries for help, the search and rescue operation begins. The most alarming discovery is yet to come - a teenage girl hiding in the Great Dismal Swamp. Shaken by the storm, she has reason to be scared. But this young survivor is terrified of so much more.

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.