While investigating the mysterious death of a young girl, Officer Mattie Cobb uncovers frightening secrets about her small Colorado hometown . . .

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.

With the help of Cole Walker, local veterinarian and a 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 hometown holds. And the key may be Cole's daughter, who knows more than she's saying.

The murder was just the beginning, and if Mattie isn't careful, she and Robo could be next. Suspenseful and smart, Killing Trail is a gripping read that will have readers clamoring for more Mattie and Robo for years to come. Fans of Nevada Barr and C.J. Box will love this explosive debut.