- AudiolibroPacific Northwest K-9 Unit books 1-3Valerie Hansen
- AudiolibroDetection Detail & Ready to Protect & Hiding in MontanaValerie Hansen
- AudiolibroDetection DetailTerri Reed
- AudiolibroExplosive TrailTerri Reed
- AudiolibroGuardianTerri Reed
- AudiolibroAlaskan RescueTerri Reed
- AudiolibroMission to ProtectTerri Reed
- AudiolibroDeadly Alaskan PursuitTerri Reed
- AudiolibroSerie: Rocky Mountain K-9 UnitLaura Scott
- AudiolibroSerie: Alaska K-9 UnitHeather Woodhaven
- AudiolibroSerie: Military K-9 UnitValerie Hansen
- AudiolibroSerie: Classified K-9 UnitValerie Hansen
- AudiolibroSerie: Pacific Northwest K-9 UnitValerie Hansen