TEXAS K-9 UNIT MYSTERY Series

Main Characters: Each book features a canine officer & his/her human officer

1. Tracking Justice by Shirlee McCoy
2. Detection Mission by Margaret Daley
3. Guard Duty by Sharon Dunn
4. Explosive Secrets by Valerie Hansen
5. Scent of Danger by Terri Reed
6. Lone Star Protector Lenora Worth