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Killing Trail
By Margaret Mizushima
Available in Hardcover, Paperback, eBook, and Audiobook
Overview
When a young girl is found dead in the mountains near Timber Creek, Officer Mattie Cobb and her K-9 partner Robo must track down the killer. With help from veterinarian Cole Walker and his daughter, Mattie uncovers hometown secrets that place her in danger of being the killer’s next victim.




Stalking Ground
By Margaret Mizushima
Available in Hardcover, Paperback, eBook, and Audiobook
Overview
Threatened by the first blizzard of the season, Deputy Mattie Cobb, her K-9 partner Robo, and veterinarian Cole Walker investigate the disappearance of Deputy Ken Brody’s sweetheart; but the hunters become the hunted when they find themselves caught in a killer’s stalking ground.




Hunting Hour
By Margaret Mizushima
Available in Hardcover, Paperback, eBook, and Audiobook
Overview
Deputy Mattie Cobb and her K-9 partner Robo find a missing girl dead on Smoker’s Hill behind the high school. Before they can catch the killer, one of Cole Walker’s daughters goes missing, and Mattie and Robo must lead the hunt to capture a kidnapper before they’re too late.




Burning Ridge
By Margaret Mizushima
Available in Hardcover, Paperback, eBook, and Audiobook
Overview
Colorado’s Redstone Ridge is a place of extraordinary beauty, but this rugged mountain wilderness harbors a horrifying secret. When a charred body is discovered in a shallow grave, officer Mattie Cobb and her K-9 partner Robo are called in to spearhead the investigation. But this is no ordinary crime—and they soon become the targets of a ruthless killer.




Tracking Game
By Margaret Mizushima
Available in Hardcover, Paperback, eBook, and Audiobook
Overview
An explosion outside a community dance sends Mattie Cobb and Cole Walker reeling into the night, where they discover a burning van and the body of local outfitter. As the investigation ratchets up, Mattie and her K-9 partner Robo discover another brutal murder and a fearsome creature on the loose in the mountains, sending them on a hunt for a menacing band of killers.




Hanging Falls
By Margaret Mizushima
Available in Hardcover, eBook, and Audiobook
Overview
A deluge floods the high ground near Hanging Falls, but heavy rains aren’t the only menace in Timber Creek. After Deputy Mattie Cobb and her K-9 Robo find a body floating at the edge of a lake, she delays her trip to meet long lost family. As a list of suspects grows, Mattie’s relatives visit, shedding light on her childhood abduction—but darkness threatens another victim before Mattie and Robo can track down the killers.