Hibernación (Hibernation)

Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?

Migración (Migration)

What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

El cielo de noche (The Night Sky)

Every month a cycle happens in the sky. Read about the patterns of the moon and how it changes throughout each month.

Día y noche (Day and Night)

Beginning readers will learn about the basic patterns of the Sun and Earth and what causes day and night.

Estaciones (Seasons)

Winter, spring, summer, and fall—the seasons are one of nature's most familiar cycles. But why does the weather change? Learn why weather patterns change over the seasons.

El ciclo del agua (Earth's Water Cycle)

From lakes, to clouds, to rain that falls back to Earth—discover how water changes through various processes to form the water cycle.

Creeping Caterpillars

Examine the many awesome things about caterpillars, including their body parts and structure, their habitat and how it supports them, and the way they transform from soft-bodied...

Darting Dragonflies

Readers will learn about beautiful dragonflies, including information about their body parts and structure, their habitat and how it supports them, and what makes a dragonfly...

Let's Make a Picture Graph

Dan, Emma, and Ron want to compare how many apples they picked. Look at the picture graph to tell who picked the most.

From Plastic to Soccer Ball

How does a sheet of plastic become a soccer ball? Follow each step in the process—from strengthening the plastic to boxing up a brand new ball—in this fascinating book!

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