¡°Okay!¡± said Harry. ¡°It was just an idea, I just thought ¡ª¡±
¡°You're fighting a losing battle there, dear,¡± said his mirror in a wheezy voice.
¡°This is a useful little spell,¡± he told the class over his shoulder. ¡°Please watch closely.¡±
¡°Last night Sirius told me all about how they became Animagi,¡± said Dumbledore, smiling. ¡°An extraordinary achievement ¡ª not least, keeping it quiet from me. And then I remembered the most unusual form your Patronus took, when it charged Mr. Malfoy down at your Quidditch match against Ravenclaw. You know, Harry, in a way, you did see your father last night¡. You found him inside yourself.¡±
¡°But ¡ª¡± Hermione began. And then her eyes became very round. ¡°OH!¡±