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In her book, "A Breed Apart: A Celebration of the New American Mutt," photographer Amanda Jones captures the beauty and spirit of mixed-breed dogs.

The beagle's hunting ability, combined with a merry personality, has made the beagle one of the most popular dogs in the United States.

The Australian Terrier is small and sturdy with a blue and tan, sandy or red coat that is harsh in texture. They have a keen and alert expression and confident spirit.

Referred to as an aristocrat, the Afghan Hound has an appearance that is one of dignity and aloofness.

The undisputed "King of Terriers," the Airedale Terrier is the largest and hardiest of the terriers, and an all-around useful dog.

Courageous and strong, the American Staffordshire Terrier's athletic build and intelligence make him ideally suited to many dog sports.

A truly dual-purpose dog, bred for companionship and top-notch retrieval ability, the AWS is active, muscular and medium in size.

Without peer as a cattle herder, the Australian Cattle Dog is ready and willing to work all day.

Animated, adaptable and agile, the Australian Shepherd lives for his job, which still involves herding livestock.

A poised, elegant hunting dog from Africa, the Basenji is smoothly muscular and moves with ease and agility.

Instantly recognizable due to its big, heavy body, short legs and long ears, the Basset Hound has proven itself to be a multipurpose dog that excels in conformation, obedience, tracking, field trialing, and pack hunting.

His hunting ability, combined with a merry personality, has made the Beagle one of the most popular dogs in the United States according to AKC Registration Statistics.

With an aura of strength and agility, the Bearded Collie was bred for centuries as a companion and servant of man.

One of the four types of Belgian sheepherding dogs, the Belgian Malinois is an alert, high-energy breed, popular as both a police and military working dog.

A hardy dog that thrives in cold weather, the "Berner's" intelligence, strength and agility helped him perform the drafting and droving work in the mountainous region where he originated.

A cheerful, happy dog, the Bichon Frise is small and sturdy with a dark-eyed, inquisitive expression and a plumed tail he carries merrily over his back.