Do you like to exercise? Have you ever finished a long workout and wondered just how many calories you burned or how far you ran? Look inside to find out how your math skills can help you keep your... 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.