On Amazon's site,_91+8167--38--2067_/√ go to the bottom and on the right hand side, click on "Help" under "Let us Help You". Then click on "eBooks, Prime Video or Music", then "Kindle eBooks/Digital Content", then "Problem with Kindle book/Digital Content", then "Problem downloading a Kindle book", and finally "I need more help". You can then either chat online with them or have them call you.