Alright, if you've read the six other books plus the Christmas special, then it is alright for you to skip this chapter. If you haven't read them all, however, you must go back and read them. This is very important, as you may not understand some of the jokes which are based on prior books. If you skip this book, you'll be missing out on one of the best jokes of all. (Nudge nudge, wink wink)