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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 equipm...

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 i...

There are forces at work whenever you throw a ball, run up the stairs, or push your big brotheroff the couch. Want to learn more about the forces a...

What is a fossil? Sometimes it's the imprint of an ancient leaf in a rock. Or it could be the skeleton of a dinosaur that has turned to stone! With...

A caterpillar comes to school in a jar and the class watches the caterpillar each day as it grows and changes. Soon, it disappears into a hard shel...

Pumpkins can be baked in a pie, carved into jack-o'-lanterns, and roasted for a healthy snack. But how does a tiny seed turn into a big pumpkin? Wi...

Winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series A tadpole i...

How are you feeling? Most of the time you feel fine, but sometimes you get sick. Sometimes a germ catches up with you. Germs are all around you, bu...

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 ...

Night and day, whether you're asleep or awake, your heart is always beating. Read and find out how your heart works and how to keep it healthy. Edi...

In spring and summer, honeybees gather nectar to make into honey. These fascinating insects live and work together in complicated societies, comple...

How does a tiny acorn grow into an enormous oak tree? With beautiful and accurate watercolor illustrations from Loretta Krupinski, this book by Hel...

A baby scorpion rides on its mother_s back. A baby alligator hides in its mother_s mouth! What about a baby leopard? A baby elephant? Read and find...

Book DescriptionPublisher: HarperCollinsAuthor: Betsy MaestroISBN: 9780064451178Pages: 32Format: PaperbackDimensions: 9.8 x 0.1 x 8 inches

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 t...

29,028 feet tall and still growing?! Even though Mount Everest measures 29,028 feet high, it may be growing about two inches a year. A mountain mig...

People have taken dangerous risks trying to fly. Some inventors built wings for their arms and flapped them like birds. Others tried to fly with ba...

The food we eat helps our bones and muscles, skin and hair, teeth and toenails grow bigger and longer and stronger. Inside and outside, we grow and...

The International Space Station races through space at 17,500 miles per hour. How do people live there? What may they discover? Find out the story ...

Life In Outer Space Bears and birds, people and planets -- many things live on planet Earth. But do they live anywhere else? For a long time people...

Holly Keller has created vivacious new paintings for this favorite Reading Rainbow title about geology. Readers follow two enthusiastic rock hounds...

Ages: 5 - 9 Editorial Reviews From School Library Journal Grade 1-3--The span of activities occurring in a reef is seamlessly presented in a "day i...

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 ...

Can you see the moon? Does it look like a big round ball? Or is it just a sliver of light in the sky? The moon seems to change. But it doesn't real...