I purchased a book and downloaded the book on my pc, but I am unable to authorize and transfer this to my other devices

As mentioned above, I purchased a book and downloaded it on my pc, but I am unable to authorize and transfer this purchase to my other devices.  I downloaded bluefire reader per online instructions and added the pdf book file to this app on itunes.  When I attempt to authorize the purchase by entering my adobe id, it doesn't work, the authorization window clears the fields I just entered, I enter the information again and the same result.