Tracker is Book 6 in the Classified K-9 Unit series.
Christmas K-9 Guardians
Lenora Worth, Katy Lee
audiobookMountain Country K-9 Books 7-9
Sharon Dunn, Terri Reed, Lenora Worth, Katy Lee
audiobookThe Christmas Gathering
Shelley Shepard Gray, Rachel Good, Lenora Worth
audiobookThe Christmas Quilt
Lenora Worth
audiobookPinecraft Refuge
Lenora Worth
audiobookChristmas K-9 Unit Heroes
Lenora Worth, Katy Lee
audiobookThe Forgiving Quilt
Lenora Worth
audiobookRescue Operation
Lenora Worth
audiobook
Conspiracy of Silence
Ronie Kendig
audiobookDangerous Illusions
Irene Hannon
audiobookLethal Deception
Lynette Eason
audiobookStorm Rising
Ronie Kendig
audiobookLights Out
Natalie Walters
audiobookA Healer's Promise
Misty M. Beller
audiobookBaby Protection Mission
Laura Scott
audiobookNo One to Trust
Lynette Eason
audiobookSurrender Bay
Denise Hunter
audiobookA Remarkable Rogue
Anna Harrington
audiobookAgainst All Odds
Irene Hannon
audiobookSworn to Protect
DiAnn Mills
audiobook