Everyone knows that pigs are farm animals. What may not be known is that pigs are super-smart and have sniffers as powerful as a dog's nose! So, it's not hard to believe that some people use them as detectives. One thing they detect is an expensive mushroom called a truffle that grows as deep as three feet (1 m) underground. These talented sniffers have also found success in law enforcement detecting illegal drugs. In this introduction to pig detectives, readers will learn about the best breeds for the various jobs and the training the pigs undergo. The fun pictures and fascinating text are sure to engage your emergent readers and give them a deep appreciation for these very special detectives. The nose knows!