Humans have owned and bred dogs for thousands of years. During this time, dogs have helped people do many jobs, such as carrying loads, hunting animals, or herding cattle. Dogs have also served as beloved companions. To help with these many tasks, people have created hundreds of different dog breeds, each with its own distinct looks and abilities. This guide covers 150 popular dog breeds from all seven of the American Kennel Club's breed groups. Accessible chapters detail each breed's history, appearance, and behaviour. Readers also learn about the basics of dog care. Packed with adorable photos, key details, and interesting trivia, this book has everything readers want to know about their favourite dog breeds -- plus plenty of info they can use to impress their friends. This all-encompassing resource is a must-have for any young reader who wants to be a GENIUS KID!