At Number Four, Privet Drive, letters for Harry begin arriving, but his aunt and uncle confiscate them before he can read them. He has never heard of Hogwarts, and the letters’ arrival marks the start of a mystery surrounding the school.

On his eleventh birthday, Rubeus Hagrid brings Harry startling news: he is a wizard and has a place at Hogwarts School of Witchcraft and Wizardry. The revelation begins Harry’s adventure in Harry Potter and the Philosopher’s Stone.