You might think you are a dog expert, but how much do you really know about Man's Best Friend? Challenge your canine knowledge,  from how many breeds does the American Kennel Club recongnize, or what is the tallest dog breed, to how do you know if your dog is content or relaxed. If you’re having a ruff day, this collection of barking good jokes, paw-some trivia, and belly-rubbing fun is the ulti-mutt way to feel better in no time. Includes quotes, true or false questions, Facts about Famous Dogs, Know Your Dog Breed trivia & more!