This is a discussion on iBooks vs. iBooks 2 within the iBooks forums, part of the iPad App Store category; What is the difference between the two?...
What is the difference between the two?
Support for Apple's new textbook format (.ibook). Otherwise they are virtually identical.
Apple - Education - iBooks Textbooks for iPad
Can you buy ebooks on Amazon and use on iBooks? Something tells me no....
No you use the kindle app instead.