The airport bustles with travelers. Thousands of packages and pieces of luggage move through the airport. But what happens if one package contains an illegal substance? Or worse yet--a bomb! With security dogs on the job, there is no worry. In this fast-paced and informative narrative of security search dogs in action, young readers will learn how dogs are trained to work with security forces to sniff out danger. With vivid four-color photos and real situations of dogs on the job--from airports to rock concerts and other public places—security dogs stops criminals in their tracks.