Snape Confronts McGonagall

PAGES: 597-599

Severus Snape intercepts McGonagall, Harry, and Luna in a corridor as they try to gather the other Heads of Houses. Snape questions McGonagall about Harry's presence in the castle, and McGonagall swiftly engages him in a magical duel, forcing him to retreat. Other professors join the fight, driving Snape out of Hogwarts.