2Discover that earthworms aren't just yucky, but are necessary to keeping soil healthy.

People used to think earthworms were just garden pests. Others thought they were just plain yucky! Earthworms are also food for birds, frogs, and other animals. The well-organized chapters help readers (Ages 6-7) identify key details. The illustrations and text features such as captions and bold print help students navigate the text while the photographs add clarity and enable students to better understand the text.