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 17 percent lighter weight at just 8.5 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 $139.