This application is a book describes the application of various types of animal knowledge. Reasonable layout editor program, so that the content in the phone book of peace in a very convenient way to board in front of the reader. The book's content is very extensive and interesting introduction to the habits of various animals, the relationship between the characteristics, location, and with the environment. The book uses a lot of beautiful pictures, so that the reader through pretty intuitive visual experience to deepen the understanding of animal knowledge. This application is reasonable layout, the page appearance, convenient operation, can greatly expand the readers understanding of the various animals.