The parts of a plant that grow below are just as important as what's above ground. Readers will learn about the world of roots, bulbs, and tubers, as well as other organisms that grow underground. Readers will also discover why the things that grow underground are an important part of the Earth.
"Nine two-page sections introduce underground, edible plant parts; explain the difference between shoots and roots, bulbs and tubers; and tell how bacteria and microbes enrich the soil. Left-hand pages have short paragraphs of text; right-hand pages have clear, close-up photos of plant parts. "Dig In!" boxes add quirky facts..."
