I have one and love it. Look into downloading Kindle instead of Nook, unless of course you have a Nook and have already bought books. I tried both and the Kindle app is so much better. Just go to app store. That will be one of the icons on the screen that was preloaded. Search for Kindle app. It is free. There are also many free books you can get. Also great reader app is IBooks and it is also free.
I do not remember downloading ITunes on my IPad. It was already there. I did have to go in and set up my user id and password. Use the same as on your computer account then you can download to either.