Tap the book you wish to download onto your device. Tap Library to see all of the e-books in your Amazon library.Launch the Kindle app on your iPhone or iPad.How to download your Kindle Library books in the Kindle appĪfter you have purchased at least one e-book and added it to your Kindle library via the Kindle Cloud Reader, it will automatically appear in the Kindle app. It will be available in the Kindle app immediately. You will receive a notice that your selection is waiting for you in your Kindle library. Under Deliver to: change the device to Kindle Cloud Reader.Once signed in, navigate back to the Kindle e-books page and select an e-book you want to purchase.Enter the password associated with your Amazon account.Enter the email address or phone number associated with your Amazon account.Tap the Profile icon in the upper right of the Amazon web page.If you haven't already, log into your Amazon account: Open Safari or your preferred web browser on your iPhone, iPad, or your computer.The best place to start is Amazon's Kindle e-books page, where you will find more than one million books, magazines, and newspapers to choose from. The first step to reading books through the Kindle app for iPhone or iPad is to buy them.