Emma, who played Hermione Granger in the film series, can be found under the Twitter handle @EmWatson.
It's important to know if you're the hero or the villain!
Which pet would you bring to Hogwarts: cat, owl, rat or frog? Take this quiz and find out!
There are many ways to get around in the Harry Potter books. Could you manage to get around like a wizard?
From dragons to nifflers, how much do you really know about the magical creatures of Harry Potter?
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