I purchased an iPad last night and the first thing I wanted to do was read a book on. I downloaded the Kinlde app and selected a book to buy, however the only place I could download it to was my iPhone. I tried to add my iPad to my Amazon account, however they was not option for that device. I have no clue of and easy way to get the book to my iPad. I did try achieving the book, but it still will not show in my iPad kindle page.
In the Kindle app on your iPad have you tried clicking on the 'i' in the bottom right, and then selecting Settings and registering through there ? I seem to remember that was how I linked my Kindle app to my Amazon account, therefore allowing me to download books to it.
Did you "activate" or maybe it is called "authorize" the application on your iPad?
Actually, from looking at the "Manage My Kindle" site on Amazon, the term is "register", which if you had accessed the Kindle store using the app on your iPad, then you were already registered.
I am going to check. I just deleted it and I am going to reinstall it to see if I missed something the first time I opened it. Thanks for the information; this has been driving me nuts since last night.