Book excerpt: Canine Tracking Guide details the two most common uses of the canine nose: following blood trails for wounded game and tracking humans (from lost children and missing hikers, to escaped convicts). The author explains the concept of human scent and how the amazing canine nose functions and then elaborates on the basic training principles, commands, exercises and patterns used in tracking work. Whether a reader is working with hunting dogs, police dogs, cadaver dogs or competition dog, this guide offers the correct information needed for every tracking pursuit.