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!

שם הספר
Slower than a snail
Magnets (All Aboard Science Reader)
National Geographic Readers: Volcanoes!
National Geographic Readers: Sharks!
National Geographic Readers: Sharks!