Under the Ground

You might not realize it, but there's a lot of movement going on under your feet! Earthworms, for example, are constantly on the move, churning up soil and making it perfect for farming. This is just one of the many amazing underground animals covered in this detailed and colorful guide. Readers will learn what kinds of underground animals move and migrate, and why. The manageable text is paired with photographs of underground animals up-close and on the move.