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Birds don't need maps!Many birds make long journeys twice each year as they migrate between their winter and summer homes. Arctic terns fly more than 10,000 miles from the South Pole to northern Maine. Tiny little hummingbirds fly nonstop over the ocean for 500 miles. How do they know which way to fly? Why don't they get lost? Read and find out the many ideas scientists have come up with to explain this mystery.

Find out all about the many kinds of webs spiders spin in this level 2 Let′s Read and Find Out. How do spiders spin such large webs? Spiders produce a unique silk that can stretch from wall to wall, or between the legs of a chair. In this book, featuring remarkably realistic artwork by S.D. Schindler, you will learn about the silk spiders produce, the webs they spin, and the prey they capture. You will even learn how to make a web of your own! Ages 5-9

Dolphins are smart. They are so smart that they can talk to each other. Dolphins communicate underwater for the same reason people talk on land: to let others know who they are, where they are, and maybe even how to feel. Also included are activities that explore how dolphins talk to each other.

Let's-read-and-find-out about MarsSomeday people from Earth may live on Mars.In this century, we will go to the planet to learn more about it. It will become our outpost in space -- our space colony.

An emperor penguin lays an egg on the Antarctic ice. In the bitter cold, miles away from the only source of food, how can the chick survive?

What happens to food when you eat it?Read and find out about your digestive system and how it turns food into energy your body can use.

FrogsFrogs can jump thirty times their own body length, catch insects on the wing, and breathe underwater or on land. But they must always keep their skins wet. Read and find out why!

Imagine that you're walking on the moon. 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.

Ka-choo! Brrr. Yawnnnn.Have you ever wondered what makes you sneeze when you're in a dusty room? Or shiver when you get out of the bathtub? Or yawn when you're tired? All of these actions are reflexes. Your body makes them happen even though you don't tell it to.Budding young scientists will be amazed as Melvin Berger and Paul Meisel reveal the mysteries behind the reflexes that happen in our bodies every day and offer fun-filled experiments to try on family and friends. Let's Read and Find Out Science, Stage 2.

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 veteran science team Franklyn Branley and True Kelley and learn what causes the flash, crash, rumble, and roll of thunderstorms!

Moonlight is really sunlight!>Any child who's ever wondered about the fascinating properties of light will want to read this classic science title. Readers will even learn how fast light can travel: from the moon to the Earth in less than three seconds! Veteran science author Franklyn M. Branley's lively text and Stacey Schuett's new illustrations combine fun facts and hands-on activities in this accessible introduction to the science of light. >Any child who's ever wondered about the fascinating properties of light will want to read this classic science title. Readers will even learn how fast light can travel: from the moon to the Earth in less than three seconds! Veteran science author Franklyn M. Branley's lively text and Stacey Schuett's new illustrations combine fun facts and hands-on activities in this accessible introduction to the science of light.

Don't jump!If you're on the space shuttle, that is. Astronauts never jump in space. They usually drink out of straws, and they lift tons of equipment as if it were light as air. Find out more in this information-packed voyage into space.

Holly Keller has created vivacious new paintings for this favorite Reading Rainbow title about geology. Readers follow two enthusiastic rock hounds around the globe as they add to their collection. Along the way they will learn how sedimentary, metamorphic, and igneous rocks are formed. From the Egyptian pyramids to Roman roads, from the diamond ring on your finger to the pebbles under your feet'rocks are everywhere!

What do a fawn and a hermit crab have in common? They both use camouflage to hide from their enemies. A fawn’s spots help it blend in with its dappled surroundings, and a hermit crab might be mistaken for an empty shell. This lyrical introduction to camouflage explains how and why a wide variety of animals use it to go undercover. Readers can also hunt for camouflaged animals in every illustration.

Turtles are among the oldest living creatures in the world. They have been on earth for nearly 200 million years!In Look Out for Turtles! readers will discover why these creatures have survived so long. Hard shells protect many turtles from harm. Colorful markings on their shells help some turtles to blend in with their surroundings. Different kinds of turtles can live almost anywhere on land or sea and can eat many kinds of plants and animals...Today turtles must struggle to. survive. They are hunted, and threatened by pollution. There is less and less open space for turtles to live in. If turtles are going to be around for another 200 million years, they are going to need our help!

Did Dinosaurs Have Feathers? Birds have feathers, but did you know some dinosaurs did too? New fossils have shown that as long as 145 million years ago, some dinosaurs had feathers, just as birds do. The birds you see outside your window are relatives of these ancient creatures. Ages 5-9

Did you know that an oil spill occurs somewhere in the world almost every day of the year?Oil spills can have many different causes, but the result is the same. Oil harms plants and wildlife that make the oceans and coastlines their home. Scientists are learning the best ways to combat oil spills. Learn how you can help, too!

Why should you be a friend to trees?Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.

Water is always flowing, from a brook to a stream, to a river to the ocean. Read and find out more about how water shapes the earth and why it is important to keep our water clean.

Aliki takes readers on a guided tour that begins with grazing cows, proceeds through milking and a trip to the dairy, and ends with some different foods made from milk. This revised edition of Aliki's 1974 Green Grass and White Milk is an even more fun-filled and informative explanation of milk's trip from green grass, to cow, to a cool glass on the table.

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)

The switch goes up -- the light goes on,The switch goes down -- the light goes off.It seems like magic! It's not -- it's electricity. But how does a light actually work? In this clear and simple book learn all about electricity, how it's produced, and how it can be used. At the end you'll learn how to conduct fun experiments that will let you generate electricity yourself!

WindHave you ever felt the wind tickle your face or heard it whistle through your window? Did you know that some wind travels faster than a car? Read inside to find out more about what causes wind, and learn how to make your own weather vane!Have you ever felt the wind tickle your face or heard it whistle through your window? Did you know that some wind travels faster than a car?Air is always moving. We can't see air moving, though we can watch it push clouds across the sky, or shake the leaves of a tree. We call moving air the wind. In this enlarged edition, find out about the wind - what causes it, how it can be used to help us, and how it affects the weather.Arthur Dorros shows you how to make your own weather vane, and in simple terms, with playful illustrations, he explains just what makes the wind that blows all around us.

‘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

Let's-Read-and-Find-Out about SnakesSlithering, scaly, and sly—snakes are fascinating reptiles. They are also hunters. Find out how snakes survive in the wild, and how they capture their prey.

Did you ever wonder where an ant goes when it disappears into an anthill? Underneath the hill there may be miles of tunnels and hundreds of rooms. Read to find out how to make your own ant farm!

How do we know what dinosaurs were like?Dinosaurs roamed the earth millions of years ago. Then suddenly they all died out. How do we know now what they looked like? How do we know that they really existed at all? Read and find out how scientists have proven the existence of dinosaurs by studying fossil remains. Each new fossil find helps them to ice together a picture of what the world was like millions of years ago.

What's so great about corn?Popcorn, corn on the cob, cornbread, tacos, tamales, and tortillas. All of these and many other good things come from one amazing plant. Aliki tells the story of corn: How Native American farmers thousands of years ago found and nourished a wild grass plant and made it an important part of their lives. They learned the best ways to grow and store and use its fat yellow kernels. And then they shared this knowledge with the new settlers of America.

Dinosaurs are extinct now, but you can visit dinosaur skeletons in a museum. There you will meet Brachiosaurus, Stegosaurus, and Diplodocus and learn how they ruled the earth millions of years ago. You'll see dinosaurs with over 1,000 teeth, dinosaurs who could swim, meat-eaters and plant-eaters. And, of course, you'll meet the king of all dinosaurs, the gigantic Tyrannosaurus rex.