No. Books purchased from Amazon for Kindle have their own flavor of DRM -- Digital Rights Management, aka copy protection. As do books purchased from B&N for Nook. Not to mention the underlying format is different: .mobi vs ePubjheydt said:I have a cousin who is not very computer literate but wanted to know whether she could buy kindle books on Amazon and load them and read them on her Nook. I could not answer that question but I'm sure someone here would know. I don't think she would be capable of changing the format of the book to make it work on the Nook.