This beautifully illustrated book teaches how the Earth moves in space to bring about days, nights and years. The student learns about gravity, the moon, stars and the sun and how the relate to each other.
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.