What the Dog Knows: Scent, Science, and the Amazing Ways Dogs Perceive the World

There are thousands of working dogs all over the US and beyond with incredible abilities-they can find missing people, detect drugs and bombs, pinpoint unmarked graves of Civil War soldiers, or even find drowning victims more than two hundred feet below the surface of a lake. These abilities may seem magical or mysterious, but author Cat Warren shows the science, the rigorous training, and the skilled handling that underlie these creatures' amazing abilities.