A wetland is an area where the land is covered by water for some or all of the year. Wetlands are important because they clean water as it moves through them. Learn more in Wetlands, part of the Aquatic Ecosystems series.

Fresh water is found in lakes, rivers, and streams around the world. Fisher enjoy catching freshwater fish, including brass, wallleye, and catfish. Find out more about how people fish in Freshwater Fishing, part of the Gone Fishing series.

Did you know that papel picado is a kind of traditional Mexican artwork? It is made by cutting a pattern into a stack of papers. Learn more in Arts and Crafts, a title in the Cultures of America series.

The Rock Cycle series takes readers on a journey through the cycles that affect the ground beneath their feet. Each title examines different concepts relating to the rock cycle, how they work, what their role is, and how they affect people. Detailed charts, vivid images, and features such as timelines and maps expand on the material in each title.

Did you know that baboons are some of the largest monkeys on Earth? Baboons ride on their mother's backs when they are babies. Find out these and more exciting facts in “I Am a Baboon”.

Did you know that an armadillo's body is covered in hard plates? A hare's body is covered in soft fur for warmth. Young readers will discover the differences between these animal opposites and more in “Animals”, a Science Opposites book.

The Rock Cycle series takes readers on a journey through the cycles that affect the ground beneath their feet. Each title examines different concepts relating to the rock cycle, how they work, what their role is, and how they affect people. Detailed charts, vivid images, and features such as timelines and maps expand on the material in each title.

Oceans cover more than 70 percent of Earth's surface. They are the reason why Earth is known as "the blue planet." Learn more in Oceans, part of the Aquatic Ecosystems series.

Did you know that pemmican was part of many Native American diets? It is made from a mixture of dried meat, animal fat, and erries or nuts. Learn more in Food, a title in the Cultures of America series.

Cobras are known for the hoods on their heads. They use their hoods to scare away threats. Find out more in Cobras, one of the titles in The World of Snakes