After rain comes down, the sun comes out and dries the puddles. But the water isn't gone. The heat from the sun has turned it into water vapor-it has evaporated. Eventually, this moisture in the air condenses to form new clouds. Soon the rain will fall again. Read on to find out all the ups and downpours of the water cycle!

Have you ever dreamed of being an astronaut? Wondered what it might be like to see the sun set sixteen times in one day?

Open this book and be transported on an information-packed voyage aboard the space shuttle. True Kelley’s kid-friendly diagrams and illustrations and Franklyn Branley’s straightforward text reveal what astronauts eat, how they move, and what kinds of work they do in space.

Snow is falling. Snow is wonderful - for sledding, for skiing, and for building snowmen. But did you know that snow can actually keep things warm? Find out how snow helpf plants, animals, and people to survive. But when a blizzard blows, watch out! The snow that is so useful can be dangerous too.

Franklyn M. Branley and Holly Keller team up for a fun and colorful exploration of the world of snow, including experiments and activities for cold winter days. A Let's Read and Find Out Science book, for Stage 1.

What is it like?
For thousands of years people looked up at the moon and wondered about it. Now we know what the moon is like. There is no air on the moon and nothing grows, but there are towering mountains and deep craters--and much more!

Colder than the desert, the hotter than the desert, the moon is an amazing place to explore.

"[This new edition of a book first published in 1962 is] an excellent introduction to the night sky and star gazing. The beauty of this book is its simplicity and the high percentage of success a young reader would have following its directions." —AP.

Young stargazers learn about different star colors and brightnesses, how to locate major constellations, and how to make mini planetariums by using coffee cans and flashlights. ‘A fine job of encouraging young people to look at stars and constellations. . . . Highly recommended as a science resource book." —Science and Children. "A dandy book for [primary grade] readers." —AP.

When it's not windy, it can be easy to forget about air. But air is everywhere--it fills your house, your car, and even your empty milk glass. In fact, a regular room holds about 75 pounds of it! This Level 1 book, reillustrated with John O'Brien's clever, eye-catching illustrations, tells you how to discover the air that's all around you. This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 4 to 6. It's a fun way to learn to read and as a supplement for activity books for children. This is a Level One Let's-Read-and-Find-Out Science title, which means the book explores more challenging concepts for children in the primary grades and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.

The sun brings heat, warmth, and energy to the Earth.

What is the sun made of? How big is it? How far away? Read and find out!

Why does a magnet pick up a paper clip but not a leaf or a penny? How can the whole world be a magnet? Follow the step-by-step instructions about how to make your own magnet, and then find out for yourself what makes a magnet!

What goes up must come down.

Everybody knows that. But what is it that pulls everything from rocks to rockets toward the center of the earth? It's gravity. Nobody can say exactly what it is, but gravity is there, pulling on everything, all the time. With the help of an adventurous scientist and his fun-loving dog, you can read and find out about this mysterious force.

Where is it partly cloudy and 860 F? Venus! This classic picture book is a fascinating exploration of space written by children's nonfiction veteran and former chairman of the American Museum of Natural History-Hayden Planetarium Franklyn M. Branley and illustrated by Kevin O'Malley. Full of interesting facts about the eight planets in our solar system, including our very own Earth, this bestselling book also features photographs from Voyager and other space explorers. Now rebranded with a new cover look, this book features a find out more section with instructions for making your own solar system mobile and web research prompts about how to track the moon. Both text and artwork were vetted for accuracy by Jurrie van der Woude of NASA. This is a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts perfect for children in the primary grades and supports the Common Core Learning Standards and Next Generation Science Standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.