“This’ll do it, Harry, hold on tight!” yelled Hagrid, and Harry saw him slam his whole hand onto the purple button beside the speedometer.

With an unmistakable bellowing roar, dragon fire burst from the exhaust, white-hot and blue, and the motorbike shot forward like a bullet with a sound of wrenching metal. Harry saw the Death Eaters swerve out of sight to avoid the deadly trail of flame, and at the same time felt the sidecar sway ominously: Its metal connections to the bike had splintered with the force of acceleration.

“It’s all righ’, Harry!” bellowed Hagrid, now thrown flat onto his back by the surge of speed; nobody was steering now, and the sidecar was starting to twist violently in the bike’s slipstream.

Chapter 4