The blue whale is the biggest animal in the world. Its tongue is as big as an elephant. And its heart weighs the same as a car. Read the book and learn more about the blue whale. My first book: Easy reading - Just for you! ´My First Book´ is a series of books written for children who are just beginning to learn English. These simple books are filled with fun facts based on topics that appeal to most young readers. Der findes gloselister på forlagets hjemmeside.