Jody Sullivan Rake

Soil, Silt, and Sand: Layers of the Underground Jody Sullivan Rake

Marc Notes: Includes bibliographical references and index.; Teaches readers about layers and types of of soil, dirt, and earth underground--; Provided by publisher. Publisher Marketing: There s more than just dirt below! Readers will learn about the layers and types of soil underground. Rocks, clay, sand, silt and all nonliving things underground are explored. Earth's core, mantle, and crust are also discussed. Readers will also discover why we could not live without dirt, and why we need to protect it." Contributor Bio:  Rake, Jody Sullivan Jody Sullivan Rake specializes in writing about any and all animals. After earning a zoology degree from San Francisco State University, she became an educator and science writer at SeaWorld in San Diego. She still lives in San Diego.