Learn all about the world of animals with this fantastic children's encyclopedia Explore an amazing world of animal secrets , from microscopic insects to some of the largest creatures that have ever lived . Every page is brought to life by vibrant pictures that enhance the text and fuel your imagination . This beautifully illustrated edition is arranged in five main sections , each written expertly in a clear style , and includes : Mammals , Birds , Reptiles , Fish and Amphibians , and Invertebrates . A comprehensive guide to the animal world Stunning colour photographs and illustrations Includes a detailed glossary of terms