INSTANT NEW YORK TIMES BESTSELLERAn incredible, revolutionary true story and surprisingly simple guide to teaching your dog to talk from speech-language pathologist Christina Hunger, who has taught her dog, Stella, to communicate using simple paw-sized buttons associated with different words.When speech-language pathologist Christina Hunger first came home with her puppy, Stella, it didn’t take long for her to start drawing connections between her job and her new pet. During