National Geographic Kids Penguins - National Geographic Kids, Level 2 Author:Ann Schreiber They waddled into stardom in National Geographic’s March of the Penguins film. These guys are now nature’s ROCK STARS! If you’re age 5, you’re probably as tall as an Emperor. But why do they throw up so much? March this way, and find out all! — The easy to read series for curious kids! Level 2 books are perfect for kids wh... more »o are ready for longer sentences and more complex vocabulary. New words are defined on the page, but occasional adult help imight be welcome.« less