K9 Professional Tracking A Complete Manual for Theory and TrainingA well trained tracking dog can be the deciding factor in both criminal investigations and search and rescue operations. When the stakes are high and you demand only top performance from your K9, you need training methods relied upon by police forces and searchand rescue teams around the world. Dr. Resi Gerritsen and Ruud Haak show you how to train your dog in clean scent tracking, a proven method that trains dogs to follow a particular scent on a