Vast numbers of animals live here on Earth, from tiny insects to large mammals. The animal world is varied and quite interesting. This encyclopedia will introduce you to several hundreds of the best known and most interesting animals on the whole planet, and to top it off , it will help you put each one of them into the right group. This book will show you an attractive selection of mammals, rodents, ungulates, primates, predators, cetaceans, birds, fish, cartilaginous fish, amphibians, reptiles, insects, and other animal groups that can be found all over Earth. Beautiful illustrations and simple texts make this book indispensable for all children.