A dog runs through the forest with its nose to the ground, sniffing and sniffing. Suddenly, it picks up a familiar scent and races to find a person who has been missing for days. In this exciting introduction to search-and-rescue dogs, beginning readers will learn all about the tough canines that work day or night. From finding people lost in the woods to searching for victims trapped under rubble after an earthquake, search-and-rescue dogs use their...