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 www.natgeoed.org/commoncore for more information.

With their beautiful white fur and powerful presence, polar bears rule the Arctic. These majestic giants swim from iceberg to iceberg in chilling waters, care for their adorable cubs, and are threatened by global warming. In this level 1 reader you'll learn all you ever wanted to know about polar bears and so much more. Complete with fascinating facts and beautiful images, National Geographic Readers: Polar Bears can't miss.

Find out about the shy and rarely seen red panda! This level 1 reader documents the lives of red pandas in their environment. The carefully constructed text and beautiful photographs guarantee a successful and rewarding reading experience for any reader, especially those who love wild animals.

Follow a bear cub and its family as they prepare to hibernate for the winter. Through engaging text features, such as the vocabulary tree and the wrap-up activity, kids will be introduced to vocabulary in concept groups—helping them make connections between words and expanding their understanding of the world.

Superhero and comic book force? Sure, but also a real-life animal! Find out in this Level 3 Reader how fierce wolverines, who are expert survivors, can be even more fantastic than those in movies and graphic novels. Journey through harsh cold and rugged mountain ranges to see how wolverines take down prey, raise their young, and live in one of the world's harshest environments. Learn about how their bodies adapt for survival, and about the animal's challenges in a warming world. National Geographic Readers' combination of expert-vetted text, along with brilliant images and a fun approach to reading has proved to be a winning formula with kids, parents and educators. Level 3 text provides accessible, yet wide-ranging, information for fluent readers. Each reader includes text written by an experienced, skilled children's books author, a photo glossary, and interactive features in which kids get to reinforce what they've learned in the book.

How did a homeless little puppy go from sleeping in an Albany post office to meeting the emperor of China? Join Owney on his real-life travels around the world in mail carts, trains, and steamships. Owney, a terrier mix from New York, became the mascot of the United States Postal Service and faithfully served from 1888-1897. In his lifetime, he travelled over 140,000 miles across dozens of countries.

A hungry polar bear is one of the most dangerous animals you will meet. A marine mammal, it hunts mostly seals on the sea ice in the Arctic. Read all about their amazing sense of smell, their giant paws, and razor-sharp claws that rip easily through prey.

Police dogs are trained to do many different jobs. Some patrol, some are used to attack, and others are used to sniff out illegal substances. Find out how police dogs serve and protect communities all around the world.

Police dogs are trained to do many different jobs. Some patrol, some are used to attack, and others are used to sniff out illegal substances. Find out how police dogs serve and protect communities all around the world.