NY: HarperCollins, 2011.
This thing is 13 by 10 inches, more than 500 pages thick, and weighs enough to require both hands (and will put your legs to sleep if you try to read it in your lap). It’s also not cheap. But if you’re a Harry Potter fan, especially of the films — and I am — you should buy it and have a special stand made for it in your library.