Dogs: humans' best friend, and for good reason. Dogs are loyal, smart, friendly and cuddly creatures that we love to welcome into our familes. In this book you will learn many facts about dogs with over 80 full-colour pictures for young learners to enjoy again and again: Dogs are great smellers! Their noses are 10,000-100,000 times more powerful than ours. They can help detect sicknesses such as diabetes or cancer, or help the police find illegal drugs or trapped people. Dogs are smart! The smartest breeds of dogs can understand up to 250 words and are as smart as a two-year-old child. Dogs are friendly! Dogs feel some of the same things as people and get stressed or happy when their owners are. Dogs are cool! There are over 200 different breeds of dogs. They can be as small as 1 kg or as big as 68 kg.