Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Alaskan Rescue | 2021 | Maggie K. Black | N/A |
| 2 | Searching for the Truth | 2026 | Maggie K. Black | Buy |
| 3 | Wilderness Defender | 2021 | Maggie K. Black | N/A |
| 4 | Tracking the Taken Child | 2026 | Maggie K. Black | Buy |
| 5 | Undercover Mission | 2021 | Maggie K. Black | N/A |
| 6 | Danger in the Rockies | 2026 | Maggie K. Black | Buy |
| 7 | Tracking Stolen Secrets | 2021 | Maggie K. Black | N/A |
| 8 | Protecting the Baby | 2026 | Maggie K. Black | Buy |
| 9 | Deadly Cargo | 2021 | Maggie K. Black | N/A |
| 10 | Fugitive Manhunt | 2026 | Maggie K. Black | Buy |
| 11 | Arctic Witness | 2021 | Maggie K. Black | N/A |
| 12 | Hunting an Arsonist | 2026 | Maggie K. Black | Buy |
| 13 | Yukon Justice | 2021 | Maggie K. Black | N/A |
| 14 | Uncovering Explosive Secrets | 2026 | Maggie K. Black | Buy |
| 15 | Blizzard Showdown | 2021 | Maggie K. Black | N/A |
| 16 | Christmas K-9 Protectors | 2021 | Maggie K. Black | N/A |
The Colorado K-9 Unit series by Maggie K. Black is a sixteen-book fiction series with entries split across two release windows: an initial run of books in 2021 and a second wave published in 2026. The 2021 titles include Alaskan Rescue, Wilderness Defender, Undercover Mission, Tracking Stolen Secrets, Deadly Cargo, Arctic Witness, Yukon Justice, Blizzard Showdown, and Christmas K-9 Protectors.
The 2026 additions pair with those earlier entries, bringing titles like Searching for the Truth, Tracking the Taken Child, Danger in the Rockies, Protecting the Baby, Fugitive Manhunt, Hunting an Arsonist, and Uncovering Explosive Secrets. Reading in the numbered order listed above gives the best experience across the full sixteen-book run.