Grade 1 - 2

What causes bread dough to rise? Learn about the chemical reactions behind the process and make delicious food yourself! Vibrant, full-color photos and carefully leveled text will engage… More →

What causes cheese to curdle? Learn about the chemical reactions behind the process and make delicious food yourself! Vibrant, full-color photos and carefully leveled text will engage young… More →

What causes ice cream to freeze? Learn about the chemical reactions behind the process and make delicious food yourself! Vibrant, full-color photos and carefully leveled text will engage… More →

How does an airplane stay in the air? What makes speedboats speedy? Learn about the mechanics behind your favorite vehicles with these exciting books. Readers can practice reading… More →

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In How Do Galaxies Form?, early fluent readers will learn what galaxies are, theories about how they form, and what happens when they collide with each other. Beautiful, crisp, full-color… More →

From Stone Age hunters who carved spearheads from rock, to modern-day construction workers building skyscrapers and sidewalks, people have been using rock for millions of years. Today, we… More →

In this book, early readers will learn about how rainbows form in the sky. Vibrant, full-color photos and carefully leveled text will engage beginning readers as they learn how raindrops… More →

As a huge volcano erupts, scorching-hot lava pours down its slopes. Soon, however, the lava will cool and become solid rock. This book explores how igneous rock is formed from magma,… More →

In the Arizona desert stands a stunning rock formation called The Wave. How did the rock's colorful layers form? How were its wave-like, curves created? This book features a clear,… More →