Read and find out about what causes the flash, crash, rumble, and roll of thunderstorms in this colorfully illustrated nonfiction picture book. Did you know that lightning bolts can be over a mile long? Or that they may come from clouds that are ten miles high? Storms can be scary, but not if you know what causes them. Before the next thunderstorm, grab this book by the expert science team Franklyn Branley and True Kelley and learn all about thunderstorms. This is a clear and appealing science book for early elementary age kids, both at home and in the classroom. It's a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. The 100+ titles in this leading nonfiction series are: hands-on and visual acclaimed and trusted great for classrooms Top 10 reasons to love LRFOs: Entertain and educate at the same time Have appealing, child-centered topics Developmentally appropriate for emerging readers Focused; answering questions instead of using survey approach Employ engaging picture book quality illustrations Use simple charts and graphics to improve visual literacy skills Feature hands-on activities to engage young scientists Meet national science education standards Written/illustrated by award-winning authors/illustrators & vetted by an expert in the field Over 130 titles in print, meeting a wide range of kids' scientific interests Books in this series support 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.

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.

Will it be warm or cold? Should we wear shorts or pants? Shoes or rain boots? This picture book explores why the weather can be so hard to predict. Now rebranded with a new cover look, this classic picture book uses colorful, simple diagrams to explain meteorology in a fun, engaging way. Perfect for young readers and budding meteorologists, this bestseller is filled with rich climate vocabulary and clear explanations of everyday weather instruments like thermometers and barometers. Both text and artwork were vetted for accuracy by Dr. Sean Birkel of the Climate Change Institute at the University of Maine. 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.

What happened to the dinosaurs? For millions of years these fantastic creatures roamed our planet. Then, suddenly, they all disappeared. Scientists wonder why. What could have caused this huge extinction 65 million years ago? In this enlarged edition, distinguished writer Franklyn M. Branley and award-winning artist Marc Simont provide the perfect introduction to an always fascinating subject - the disappearance of the dinosaurs. Outstanding Science Trade Books for Children 1989 (NSTA/CBC)

‘Branley explains these powerful storms in simple terms young children can understand. He describes the funnel cloud and how it forms and [tells] what to do during a tornado. The book ends on a comfortable note, that the idea is not to panic but to know what to do to ensure safety.’ —BL. A Reading Rainbow Selection

Have you ever wanted to take the same steps as a dinosaur or see how your foot compares to that of a Tyrannosaurus rex? Amazingly, the tracks or footprints of dinosaurs that walked on the earth millions of years ago can still be seen today! Read and find out about the astonishing discoveries scientists have made just from the footprint of a dinosaur.

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!

For hundreds of years people have wanted to fly. Countless tried and failed, but now flying is very common. Read and find out about the many obstacles that have been overcome so planes and people can soar through the sky.