I was a bit disappointed with this book, as it seemed to me to be totally out of date on some very important points, even though the publishing date was 2011, and also the author kept telling you to go to the website for further information, when I expected it all to be in the book! I would not have bothered buying a book if I had wanted to just look on websites. I ended up having to trawl the internet anyway, and learned a great deal more from doing that than I gained from reading this book. Very much a let down for a "dummies" book, which I normally think are excellent.