Home Slickdeals Amazon Kindle Paperwhite $39.99 after $40 Amex rewards point promo. Prime... Slickdeals Amazon Kindle Paperwhite $39.99 after $40 Amex rewards point promo. Prime members only. By ARCOM - 17 September 2018 173 0 SHARE Facebook Twitter Go to the deal page: Amazon Kindle Paperwhite $39.99 after $40 Amex rewards point promo. Prime members only.