What the Dog Knows: Scent, Science, and the Amazing Ways Dogs Perceive the WorldA firsthand exploration of the extraordinary abilities and surprising, sometimes life saving talents of working dogs pups who can sniff out drugs, find explosives, even locate the dead as told through the experiences of a journalist and her intrepid canine companion, which The New York Times callsa fascinating, deeply reported journey into theamazing things dogs can do with their noses.There are thousands of working dogs all over the US and beyond