Rocks are everywhere on Earth, and they can actually tell us a lot about the Earths history. This exciting scientific resource examines the different kinds of rocks, how they form, and what they can... This description may be from another edition of this product.
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.