Have you ever watched the sun rise or set? Do you know why the moon changes shape every night? Join Mr. Cruz's class as they observe patterns in the nighttime sky.

Pythons are some of the largest snakes in the world. They squeeze their prey with their bodies, and have flexible jaws so they can swallow big animals. Get all the facts on these powerful snakes.

Did you know NASA builds robots? Did you know NASA has many ways to explore outer space? Find out more in NASA.

Simple text and photographs introduce the Sun and its features.

Capybaras are the biggest rodents in the world! These social animals live in large groups and spend lots of time in water. Get all the facts on these huge rodents.

Visit a city in Chile that went without rain for 14 years. Travel to places where less than an inch of rain falls every year. By opening this book you will journey to places on earth where precipitation is extremely rare. You may need a bottle of water for this one!

Visit a city where rain falls almost daily. Find out what city had the most rain fall in one day. By opening this book you will journey to places on earth where precipitation reaches extreme highs. You may need an umbrella for this one!

How do you get to school or travel around a big city? If you lived in a different country, the way you travel could be completely different! Kids in Cambodia ride in paddle boats to get to floating schools on the water. People in Australia often ride a monorail around crowded cities. Take a tour around the world, and see how people get from here to there.

Simple text and full-color photographs describe the planets.

What does it mean to stay private online? Why is privacy important? Even the youngest learners need to know this important concept. Straightforward text and clear photographs give readers the tools they need to be successful and safe users of all types of media.