Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Detection Detail | 2022 | Lenora Worth | N/A |
| 2 | Ready to Protect | 2022 | Lenora Worth | N/A |
| 3 | Baby Protection Mission | 2024 | Lenora Worth | Buy |
| 4 | Hiding in Montana | 2022 | Lenora Worth | N/A |
| 5 | Her Duty Bound Defender | 2024 | Lenora Worth | Buy |
| 6 | Undercover Assignment | 2022 | Lenora Worth | N/A |
| 7 | Chasing Justice | 2024 | Lenora Worth | Buy |
| 8 | Defending from Danger | 2022 | Lenora Worth | N/A |
| 9 | Crime Scene Secrets | 2024 | Lenora Worth | Buy |
| 10 | Tracking a Killer | 2022 | Lenora Worth | N/A |
| 11 | Montana Abduction Rescue | 2024 | Lenora Worth | Buy |
| 12 | Explosive Revenge | 2022 | Lenora Worth | N/A |
| 13 | Trail of Threats | 2024 | Lenora Worth | Buy |
| 14 | Rescue Mission | 2022 | Lenora Worth | N/A |
| 15 | Tracing a Killer | 2024 | Lenora Worth | Buy |
| 16 | Christmas K-9 Unit Heroes | 2022 | Lenora Worth | Buy |
| 17 | Search and Detect | 2024 | Lenora Worth | Buy |
The Mountain Country K-9 Unit combines entries from the Rocky Mountain K-9 Unit (2022) with new mountain-country stories from 2024. The result is a seventeen-book series that represents one of the largest single entries in the K-9 catalog.
The 2024 additions include Baby Protection Mission, Her Duty Bound Defender, Chasing Justice, Crime Scene Secrets, Montana Abduction Rescue, Trail of Threats, Tracing a Killer, and Search and Detect. These newer books expand the mountain K-9 stories with fresh cases and characters while maintaining the wilderness setting.