This title examines the insects, mammals, and birds that eat soil or dirt, the reasons these animals do so, and the ways people have used soil to improve health. This book also includes a table of contents, fun facts, an Animal Spotlight special feature, quiz questions, a glossary, additional resources, and an index. This Focus Readers title is at the Beacon level, aligned to reading levels of grades 2-3 and interest levels of grades 3-5.