Okay, this has been done before fully, but it's rare. This, to me, is a shame because 2nd person presents some very interesting possibilities in writing to say the least. For one thing, if one were to write a plot for a video game, writing it in 2nd person would enhance immersion to a level unseen before. In normal books, it would allow for plot concepts not really possible before, or at least drastically different ways of telling the same plot, which is a lot of what modern writing is, as Cognito has stated. So, why the lack of it? Is it because it's difficult to write? The perspective so rare that it would scare away most readers? Well, the latter has been proven somewhat wrong judging by a book that did rather well recently which involved backwards upside down text that required the reader to read it using a mirror. That book had a fair amount of other literary tricks to it too. I'm guessing the former for that reason, which itself is probably at least partially because it's so rarely done.