Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Christmas K-9 Unit Heroes | 2022 | Maggie K. Black | Buy |
| 2 | Baby Protection Mission | 2024 | Maggie K. Black | Buy |
| 3 | Her Duty Bound Defender | 2024 | Maggie K. Black | Buy |
| 4 | Chasing Justice | 2024 | Maggie K. Black | Buy |
| 5 | Crime Scene Secrets | 2024 | Maggie K. Black | Buy |
| 6 | Montana Abduction Rescue | 2024 | Maggie K. Black | Buy |
| 7 | Trail of Threats | 2024 | Maggie K. Black | Buy |
| 8 | Tracing a Killer | 2024 | Maggie K. Black | Buy |
| 9 | Search and Detect | 2024 | Maggie K. Black | Buy |
Maggie K. Black’s Mountain Country K-9 Unit is a nine-book crime fiction series that began with Christmas K-9 Unit Heroes in 2022. The bulk of the series arrived in 2024, with eight books published that year alone. The stories pair law enforcement officers with K-9 partners and put them through cases ranging from abduction rescues to crime scene investigations, as titles like Baby Protection Mission, Montana Abduction Rescue, and Tracing a Killer make clear.
The series blends holiday fiction elements with its crime storylines, starting from that first Christmas-themed entry. Later books like Chasing Justice, Trail of Threats, and Search and Detect suggest the cases grow more intense as the series goes on. With nine books and a connected cast of characters, reading in publication order is the best approach to follow the ongoing storylines.