Round rocks, square rocks, and even hexagon-shaped rocks . . . What shapes do rocks form? Can new rocks grow? And how do rocks change over time? Get the companion coloring & activity book to Can a... 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.