Office supply retailer Staples said today it will begin selling Amazons Kindle in all of its stores this fall. Staples said it will sell the $139 version of the Kindle, the Kindle 3G ($189) and the Kindle DX ($379). As part of our efforts to offer customers a wide range of top technology products and services at amazing values, the new Kindle is a natural fit, said Jevin Eagle, executive vice president of merchandising and marketing at Staples .