OK, we know that quite a few of you have read the books hundreds of times, but that doesn't mean you might not need a little refresher on the older Potter tales.
And amazingly, some people haven't read all the books at all yet!
So, read on for a brief round-up of what Harry got up to in years one to five at Hogwarts.
And perhaps most importantly, just who takes on the role of Defence against the Dark Arts teacher every year.