Contains detailed information on over 150 dog breeds covering the sporting group, the hound group, the working group, the terrier group, the toy group, the non-sporting group, and the herding group. Each profile contains information on the breed's history, temperament, upkeep, health, and form and function and features a chart listing such qualities as energy level, playfulness, friendliness toward other dogs, and cold and heat tolerance. Includes definitions of medical conditions, resources on canine genetic health, a glossary, and a dog anatomy.