Dakota K-9 Unit

Pacific Northwest K-9 Unit

Unsolved Case Files

Alaska K-9 Unit

Military K-9 Unit

Texas Justice

Classified K-9 Unit

Callahan Confidential

K-9 Search and Rescue

Security Hounds Investigations

Sullivan K9 Search and Rescue

Crisis Rescue Team

Called To Protect

Oath of Honor

K-9 Special Ops

The K9 Files (Ebook Series)