“Hold on, Harry, this’ll do for ’em!” roared Hagrid, and Harry looked up just in time to see Hagrid slamming a thick finger into a green button near the fuel gauge.

A wall, a solid brick wall, erupted out of the exhaust pipe. Craning his neck, Harry saw it expand into being in midair. Three of the Death Eaters swerved and avoided it, but the fourth was not so lucky: He vanished from view and then dropped like a boulder from behind it, his broomstick broken into pieces. One of his fellows slowed up to save him, but they and the airborne wall were swallowed by darkness as Hagrid leaned low over the handlebars and sped up.

Chapter 4