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! National Geographic supports K-12 educators with ELA Common Core Resources. Visit natgeoed.org/commoncore for more information.  From the Trade Paperback edition.

Come face-to-face with sharks, wolves, tigers, and many more predators in this gripping new addition to the National Geographic Kids Reader series. Amazing animal photos will wow kids as they discover how predators hunt, raise their young, and contribute to the food chain. This Level 2 reader is written in easy-to-grasp text and will help kids understand who rules in the wild!