"Gather your gear and descend into Earths underground openings! In this title, young readers are introduced to caves, including the different types of caves, how they form, what lives inside them, and how humans impact them. Readers will build reading skills through leveled text and interesting, labeled photos. Special features profile a famous example of the landform, show the parts of caves, highlight cave animals, and more. Discover the wonder...

"Simple text and full-color photography introduce beginning readers to prairies. Developed by literacy experts for students in kindergarten through third grade"--

"Simple text and full-color photography introduce beginning readers to coral reefs. Developed by literacy experts for students in kindergarten through third grade"--

Put on your coat and get ready to explore glaciers. These massive ice sheets cover about one-tenth of Earth's surface. Full of leveled text and crisp photos, this title helps young readers understand how glaciers form, what plants and animals live there, and how human activities impact glaciers. Special features highlight examples of famous glaciers, diagram their formation, and summarize the impact on these important landforms.

"Simple text and full-color photography introduce beginning readers to rivers. Developed by literacy experts for students in kindergarten through third grade"--