It is time to once again sing the praises of Calibre.  It’s a wonderful ebook management tool that you need, whether you have a Sony Reader, an iPad, a Kindle, or a nook.  It allows you to organize all your books and synch them to your reader.  It is constantly updated and improved.  Best of all, it’s free, though donations are appreciated.  Download it at the following link: http://calibre-ebook.com/