Who is the headmaster of Hogwarts?

What house is Harry sorted into?

Who teaches Defense Against the Dark Arts Harry's 4th year at Hogwarts?

Who is Fluffy?

What power does Harry share with Voldemort?

Who is Scabbers?

What position does Harry play on the Quidditch team?

Who is the Half-Blood Prince?

What is Hermione's Patronus?

How is Dobby freed from the Malfoy's?