harpercollins

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

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...

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...

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 ...

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

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...

Walk, run, skip, march, kick. We use our feet all the time! With her trademark simple words and delightful pictures, Aliki explains the many ways o...

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? Editor...

Bubbles What are bubbles made of? Why are they always round? Read and find out about the science behind soap bubbles, and learn why bubbles always ...

What does your skeleton do? Your skeleton helps you leap, somersault, and touch your toes-without it, you would be as floppy as a beanbag! There ar...

Let's-Read-and-Find-Out about Snakes Slithering, scaly, and sly-snakes are fascinating reptiles. They are also hunters. Find out how snakes survive...

Starfish have arms, but no legs. They have feet, but no toes. Starfish aren't fish, but they are living animals. Kids learn how starfish move, eat,...

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! Editorial Reviews Fr...

Volcanoes are one of nature's great wonders. For years, they can stand dormant, but once active, they can erupt in tremendous explosions of power. ...

Will a magnet pick up a paper clip or a feather? The answer is, just the paper clip. Magnets only pick up things that contain bits of iron. In this...

Are you like a cat? You don't look like a cat. But you and a cat have something in common: You are both alive. People and plants and animals are al...

Did you know that a barn owl has one ear higher than the other? This helps it find squeaking mice that humans can't hear. Baby opossum hang on to t...

Read and find out all about eggs -- and how baby chicks grow inside of them. Learn how chicks develop,how they get the food they need to grow, and ...

The earth is getting hotter, and not just in the summer. The climate of your own hometown is changing. But why is this happening, and can we stop i...

Book DescriptionPublisher: HarperCollinsAuthor: Judy HawesISBN: 9780064451956Pages: 40Format: PaperbackDimensions: 9.8 x 0.1 x 8 inches

Ride along with trucker Jill and her dog as they add up the animals zooming by. But these are no ordinary animals, and they're bound for a surprise...

Captain Invincible and his intrepid space-dog, Comet, are on a perilous journey back to Earth! Throughout their mission, the fearless captain and h...