Barking is one of the many ways dogs communicate with each other and with humans. Think of barking as part of your dog's language. When a dog barks, he is expressing something and you can learn to understand what he is he is trying to say. In this book, author Turid Rugaas, well known for her work on identifying and utilizing canine "calming signals," turns her attention to understanding and managing barking behavior. If you can identify what your dog is expressing when he barks, you can take steps to minimize the negative effects of barking in cases where you find it a problem.