Book excerpt: The Jack Russell Terrier has taken the dog world by storm. On city streets, country lanes, on TV and in upscale advertising, the Jack Russell is the breed of the moment; this energetic little dog is everywhere. The Ultimate Russell Terrier is our largest book on the breed to date and brings together an impressive panel of top authorities to give a total picture of the breed. The text covers file breed's history, choosing a puppy, training, feeding, health care and breeding. The Jack Russell's accomplishments as a performance dog are fully explained, from Earthdog trials to Agility competitions, and the text is lavishly illustrated throughout.