the ground, while broken bits of broomstick clattered down around them. The motorbike had roared into life again. His mouth hanging open, Fisher mustered the strength to look back at the two teenagers. `Thanks very much!' called Sirius over the throb of the engine. `We owe you one!' `Yeah, nice meeting you!' said James. `And don't forget: Elvendork! It's unisex!' There was an earth-shattering crash, and Fisher and Anderson threw their arms around each other in fright; their car had just fallen back to the ground. Now it was the motorcycle's turn to rear. Before the policemen's disbelieving eyes, it took off into the air: James and Sirius zoomed away into the night sky, their tail light twinkling behind them like a vanishing ruby. What did you think? Who do you think the guys in the alley were? Why were James and Sirius trying to go so fast on their bikes? So many questions!