Grade 1 - 2

A volcano explodes to life! Lava shoots into the air. A plume of smoke and ash is visible for miles around. But why did the volcano erupt? This low-level title uses engaging text and colorful More →

Volcanoes are many different shapes and sizes. They can be dormant or active. Students will learn about the different kinds of volcanoes and discover what makes a volcano erupt. More →

Volunteers help people, animals, and the environment! That is why volunteering is an important part of being a responsible citizen. In this title, vibrant images and low-level text combine to More →

Voting is the key to democracy. It is how we make our voices heard. In this low-level text, young readers will learn about the importance of casting a ballot and the consequences of not… More →

Kids all around the world enjoy using crayons to make art. But how are crayons made? Engaging text combines with fascinating factory images to explore the materials, machines, and molds… More →

Wedges are simple machines used to split, lift, or hold an object in place. Children will discover how wedges perform jobs for people and how they make everyday life easier. More →

Welders help fix the world! These strong helpers work hard to repair car parts, bridges, and other metal objects. In this title, full-color photos appear alongside leveled text to give… More →

We use wheels and axles several times every day. Young readers will learn how a wheel and axle work together, how they make work easier, and how they are used in larger, complex machines. More →

Woosh! A gust of air rustles the trees outside. It must be windy today! In this title, leveled text and colorful images will help readers learn about wind, how it forms, and how it affects… More →

What has the power to move sailboats across water and pick houses up off the ground? Wind. Beginning readers will be blown away as they discover what wind is and how it moves on calm days and More →

Wind is one of the world's top energy sources! But how do we turn wind into the electricity that powers our lives? This title for young readers explains the process through leveled text and… More →

Chilling winds rush in through an open doorway. Snow swirls in the air. Winter has arrived! Animals grow thick coats to guard from the frigid temperatures, and people bundle up in parkas and… More →