In the late 80s, early 90s, Kevin Behan published the book Natural Dog Training. It was a complete and total paradigm shift in the world of dogs, as Kevin's theory was based on the notion that dogs are emotional beings. Almost 20 years later, and Kevin has released a follow up to his seminal work, Your Dog Is Your Mirror. It's a profound and provocative book that explores on a deep level the human dog connection.
Go to the Natural Dog Training website to learn more about it.