¿Sabes algo sobre peces? (Do You Know about Fish?)

What do a shark, a seahorse, and a ray have in common? They're all fish! Learn about the characteristics that all fish share.

¿Sabes algo sobre aves? (Do You Know about Birds?)

What do a penguin, a pigeon, and a peacock have in common? They're all birds! Learn about the characteristics that all birds share.

¿Sabes algo sobre insectos? (Do You Know about Insects?)

What do a bee, a butterfly, and an ant have in common? They're all insects! Learn about the characteristics that all insects share.

¿Sabes algo sobre mamíferos? (Do You Know about Mammals?)

What do an elephant, a mouse, and a dolphin have in common? They're all mammals! Learn about the characteristics that all mammals share.

¿Sabes algo sobre reptiles? (Do You Know about Reptiles?)

What do a sea turtle, an iguana, and a python have in common? They're all reptiles! Learn about the characteristics that all reptiles share.

¿Sabes algo sobre anfibios? (Do You Know about Amphibians?)

What do a bullfrog, a salamander, and a toad have in common? They're all amphibians! Learn about the characteristics that all amphibians share.

Let's Visit the Evergreen Forest

Winter lasts a long time in the evergreen forest biome. The trees here stay green all year. But how do tree needles help a tree survive the winter? And how do animals live in the...

How Do Space Vehicles Work?

Space vehicles are out of this world! But how do they fly out into space? How do they carry people safely? And what parts do these amazing aircraft have? Find the answers inside...

How Do Hot Air Balloons Work?

Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Read this book to find out!

Exploring Dangers in Space Asteroids, Space Junk, and More

Have objects from space ever hit Earth? Yes! Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets...

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