People often look up at a starry sky and wonder about the unknown. In the distant past, people had to use their imaginations to help make sense of it. In this title, readers learn how these old theories helped path the way to modern astronomy while practicing with prefixes - dis, un, in, pre, over, mis, and re.
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 $20. ThriftBooks.com. Read more. Spend less.