The all-new Kindle has a new electronic-ink screen with 50 percent better contrast than any other e-reader, a new sleek design with a 21 percent smaller body while still keeping the same 6-inch-size reading area, and a 15 percent lighter weight at just 8.7 ounces.The new Kindle also offers 20 percent faster page turns, up to one month of battery life, double the storage to 3,500 books, built-in Wi-Fi, a graphite color option and more—all for only $189, and still with free 3G wireless—no monthly bills or annual contracts.