: Built into iPhones and iPads; seamless for Apple users.
to ensure you aren't buying a physical copy. Click "Buy Now" or "Add to Cart". Choose your delivery device (where you want to read it). On an iPhone or iPad (Crucial Tip!) how to buy ebooks
Do you already have an with a store like Amazon or Apple? : Built into iPhones and iPads; seamless for Apple users
: The largest selection; best for Kindle device owners. : Built into iPhones and iPads
I can give you a step-by-step walkthrough for your exact setup. How to buy ebooks, audiobooks and paper books
: If it doesn't appear, look for a "Library" or "Purchased" tab and tap the book cover to start the download.