The International Bestseller"The 'feel good' book of the season… Boo’s story reminds all of us that life is full of possibilities and that hope often arrives wagging a tail." —Best Friends magazineThe dunce of obedience class with poor eyesight and a clumsy gait, Boo was the least likely of heroes. Yet with his unflappable spirit and boundless love, Boo has changed countless lives through his work as a therapy dog: inspiring a six-year-old boy to speak for the first time in h