Learn about the dirt in these easy-to-read books. The soil and its plants, animals, and humus are explained with simple text and matching illustrations. A science activity, fun facts section, glossary, and index aid students in learning about the dirt below them. Special thanks to content consultant Paul Bloom Ph.D.,
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.