Yesterday I wrote about how I was enjoying my Barnes & Noble nook, and mentioned a specific software program that doesn't come with nook that I think has been essential in my enjoyment of it. Calibre is like iTunes for my nook, though if you don't have a nook it works just as good with Kindle, and many other physical and software based readers. This means if your phone has software to read e-books you can use this software. As I mentioned yesterday, a simple folder of the books I owned worked well for, say, 20 titles but as the library grew it became increasingly difficult to manage books both on the computer and on the nook. I was using iTunes to manage books on the computer, but as it won't recognize anything other than an Apple iPod/iPhone/iPad it was of no use to me for the nook. I was quickly becoming disenchanted with the whole e-book/e-reader world and was beginning to feel that an iPad would be in my future, if only for the book management. Then I ran across n